CA1195889A - Litter material for small animals - Google Patents
Litter material for small animalsInfo
- Publication number
- CA1195889A CA1195889A CA000432803A CA432803A CA1195889A CA 1195889 A CA1195889 A CA 1195889A CA 000432803 A CA000432803 A CA 000432803A CA 432803 A CA432803 A CA 432803A CA 1195889 A CA1195889 A CA 1195889A
- Authority
- CA
- Canada
- Prior art keywords
- litter
- package
- layer
- relatively
- odor suppressant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Housing For Livestock And Birds (AREA)
Abstract
ABSTRACT OF DISCLOSURE
A package or bed of litter for small animals, having at least two horizontally disposed layers of par-ticulate, liquid absorbent material, the upper layer of which is of relatively coarse particles and contains an odor suppressant therein. The lower layer may have odor suppressant in an amount substantially less than in the upper layer, though normally the lower layer would not contain any substantial amount of odor suppressant ma-terial. The litter is normally packaged in an elongated container, with the relatively coarse particulate material on top and the relatively fine particulate material on the bottom. When the litter is to be used, the bottom of the container is opened to permit the discharge of the litter from the container into a box, with the relatively fine material on the bottom and the relatively coarse material containing the odor suppressant on top.
A package or bed of litter for small animals, having at least two horizontally disposed layers of par-ticulate, liquid absorbent material, the upper layer of which is of relatively coarse particles and contains an odor suppressant therein. The lower layer may have odor suppressant in an amount substantially less than in the upper layer, though normally the lower layer would not contain any substantial amount of odor suppressant ma-terial. The litter is normally packaged in an elongated container, with the relatively coarse particulate material on top and the relatively fine particulate material on the bottom. When the litter is to be used, the bottom of the container is opened to permit the discharge of the litter from the container into a box, with the relatively fine material on the bottom and the relatively coarse material containing the odor suppressant on top.
Description
5~9 LITTER MAT~RIAL FOR SMALL ANIMALS
Background of the Invention One of the most difficult problems encountered in providing and maintaining litter boxes for cats to use indoors is the suppressing of the odor from the cat's waste. Various preparations are sold in small containers which can be used by adding them from time to time to the litter material in the box as the litter material is used by the cat. The practice is not only inconvenient but is also often messy and unpleasant, and it is difficult to obtain distribution of the odor suppressant where it will be most effectively utilized. If the odor suppressant is carefully mixed with the litter to obtain good distribu-tion, the separate suppressant can be effective; however, usually some portions of the litter receive an excessive amount of the suppressant, thus resulting in a waste of the relatively expensive preparation, and other portions re-ceive amounts too small to be effective. Hence, the use of a separate odor suppressant for addition to the litter ma-terial in the foregoing manner has not been generally accepted by cat owners. Another practice which has been successful in obtaining the desired suppression of the odor in the litter has been the mi~ing of the suppressant fully with litter at the time the litter is prepared and packaged for distribution and sale. After l~sing the litter in the box, the cat customarily covers the waste by scraping the litter over the waste, using its paw to move the litter in the close proximity of the waste. Since the cat usually uses the litter only close to the center of the box near the top of the litter, only a small portion of th~ litter is used by the cat, the litter in the bottom and along the periphery of the box often remaining rela~ively clean and free of odor-causing waste. Since effective odor sup-pressants are generally rather expensive, the mixing of the suppressant with the litter before packaging unnecessarily increases the cost of the final material, in that a sub-stantial amount of the litter material is never in con-tact with the cat's waste and hence performs no appreci-able function in suppressing the odor at any time during the use of the litter material.
Summary of the ~nvention An object of the invention is to provide a pack-age of cat box filler material which contains a portion in one end of the container having an odor suppressant mixed therewith and a portion in the other end of the container having little or no odor suppressant therein, and which is vertically elongated and has a discharge opening in the end adjacent the material with little or no odor suppressant.
Another object of the invention is to provide a package of the aforesaid type which is relatively simple to fill, ship and use, and which assists in spreading the material when emptied to obtain the most advantageous use of the portion with the odor suppressant.
A further object of the invention is to provide a package for and method of creating multiple layers of material in a sanitary cat box, in which one of the layers has a relatively large amount of odor suppressant and another layer has relati~ely little or no odor suppressant, and in which the first layer is most concentrated at the place in the box which is used most often by the cat.
The present invention relates to a package of small animal litter material which has an upper layer in the packa~e of relatively coarse particulate material treated with an o~or suppressant, and a lower layer in the package of a relatively fine particulate material either not treated with odor suppressant or treated wi~h a lesser amount of odor suppressant than the upper layer, so that, when the material has been emptied from the bottom of the package into the box, the layer having the greatest amount of the odor suppressant treated material will be on top and in the place where the cat most often uses the material in the box.
Brief Description of the Drawings Figure 1 is a perspective view of a bag of cat box filler material, showing the bag before it has been opened for depositing the filler material therein in the box;
Figure 2 is a vertical cross sectional view of the bag shown in Figure 1, the section bein~ taken on line
Background of the Invention One of the most difficult problems encountered in providing and maintaining litter boxes for cats to use indoors is the suppressing of the odor from the cat's waste. Various preparations are sold in small containers which can be used by adding them from time to time to the litter material in the box as the litter material is used by the cat. The practice is not only inconvenient but is also often messy and unpleasant, and it is difficult to obtain distribution of the odor suppressant where it will be most effectively utilized. If the odor suppressant is carefully mixed with the litter to obtain good distribu-tion, the separate suppressant can be effective; however, usually some portions of the litter receive an excessive amount of the suppressant, thus resulting in a waste of the relatively expensive preparation, and other portions re-ceive amounts too small to be effective. Hence, the use of a separate odor suppressant for addition to the litter ma-terial in the foregoing manner has not been generally accepted by cat owners. Another practice which has been successful in obtaining the desired suppression of the odor in the litter has been the mi~ing of the suppressant fully with litter at the time the litter is prepared and packaged for distribution and sale. After l~sing the litter in the box, the cat customarily covers the waste by scraping the litter over the waste, using its paw to move the litter in the close proximity of the waste. Since the cat usually uses the litter only close to the center of the box near the top of the litter, only a small portion of th~ litter is used by the cat, the litter in the bottom and along the periphery of the box often remaining rela~ively clean and free of odor-causing waste. Since effective odor sup-pressants are generally rather expensive, the mixing of the suppressant with the litter before packaging unnecessarily increases the cost of the final material, in that a sub-stantial amount of the litter material is never in con-tact with the cat's waste and hence performs no appreci-able function in suppressing the odor at any time during the use of the litter material.
Summary of the ~nvention An object of the invention is to provide a pack-age of cat box filler material which contains a portion in one end of the container having an odor suppressant mixed therewith and a portion in the other end of the container having little or no odor suppressant therein, and which is vertically elongated and has a discharge opening in the end adjacent the material with little or no odor suppressant.
Another object of the invention is to provide a package of the aforesaid type which is relatively simple to fill, ship and use, and which assists in spreading the material when emptied to obtain the most advantageous use of the portion with the odor suppressant.
A further object of the invention is to provide a package for and method of creating multiple layers of material in a sanitary cat box, in which one of the layers has a relatively large amount of odor suppressant and another layer has relati~ely little or no odor suppressant, and in which the first layer is most concentrated at the place in the box which is used most often by the cat.
The present invention relates to a package of small animal litter material which has an upper layer in the packa~e of relatively coarse particulate material treated with an o~or suppressant, and a lower layer in the package of a relatively fine particulate material either not treated with odor suppressant or treated wi~h a lesser amount of odor suppressant than the upper layer, so that, when the material has been emptied from the bottom of the package into the box, the layer having the greatest amount of the odor suppressant treated material will be on top and in the place where the cat most often uses the material in the box.
Brief Description of the Drawings Figure 1 is a perspective view of a bag of cat box filler material, showing the bag before it has been opened for depositing the filler material therein in the box;
Figure 2 is a vertical cross sectional view of the bag shown in Figure 1, the section bein~ taken on line
2 - 2 of Figure 1;
Figure 3 is a perspective view of a sanitary cat box and the bag of Figures 1 and 2, illustrating the manner in which the material is poured from the bottom of the bag to obtain satisfactory distribution of the filler ma-terial in the box;
Figure ~ is a vertical cross sectional view of the cat box shown in Figure 3/ after the material has been deposited therein;
Figure 5 is a vertical cross sectional view of the cat box shown in the preceding figures and an eleva-tional view of the bay with the filler material being poured from the bag into the box during -the initial stage of the filling operation; and Figure 6 is a vertical cross sectional view of the cat box shown in the precediny figures and an ele-vational view of the bag, showing the filler material flowing from the bag in a later stage of the cat box filler operation.
Description of the Preferred Embodiment Referring more specifically to the drawings, and to Figures 1 and 2 in particular, numeral 10 indicates generally a package of cat box filler material, sometimes referred to as cat litter, consisting of a bag 12 and the cat box filler material indicated generally ~y numeral 14.
Normally the two ends 16 and 18 of the bag are seal~d and the lower end, ~or reasons which will be more fully ex-plalned hereinafter, should be relatively easy to open for the purpose o~ discharging the litter material 14 into a sanitary cat box such as illustrated in Figure 3 at numeral 20. The package may be a bag or a box, and it may be con-structed of either paper, plastic r or a combination of these materials, and it may be flexible or ~tiff. Normally the bags are of a size which contains 5 or 10 pounds of litter material and can be easily marketed throuyh a supermarket or a hardware or pet store.
The litter material has two distinct layers, namely a lower layer 22 of relatively fine particulate material and an upper layer 24 of a relatively coarse particulate material, with a rather distinct dividing line 26 where the two materials are in contact with one another.
The upper layer of relatively coarse particulate material contains or is treated with an odor suppressant, and the lower layer 22 is normally without any odor suppressant, or with only a small amount of odor suppressant. The basic material of layers 22 and 24 may be the same, such as ground clay, the difference between the two layers con-sisting primarily of the distinct differences in the size of the particles forming the respective layers, and of the presence of an odor suppressant in the layer of relatively coarse particulate material and the absence, or only a small amount, of the suppressant in the relatively fine particulate ma erial. The kind or type of odor suppressant may vary depending upon suitability of the material for 10 m;nlml zing the odor from the urine and feces deposited by the cat or other animal in the sanitary box.
~ hile the two layers may both con-tain an odor suppressant, the odor suppressant in layer 24 is normally substantially more potent than the odor suppressant in layer 22. The type of odor suppressant may be different in the two layers and three or more layers of different par-ticle size may be used in the litter material. Since the layer 24 forms the top layer of the filler material after it has been added -to the box, and hence acts to prevent the odor from the animal waste from permeating the air above the box, the two layers 22 and 24 are normally not physic-ally separated from one another but merely form a line of contact indicated by numeral 26 as seen in Figure 2. The size of the particles of the respective layers 22 and 24 is not particularly critical so long as layer 24 is of a coarser texture than layer 22 and is of a size suitable for use by the cat or other animal. Since cats habitually cover the deposited feces, -the material should be of such a size that it can easily be moved by the cat's paw to per-form the covering operation. Thus a wide range of particlesizes in the two layers is possible so long as the rela-5iE~
tionship in the particulate sizes is maintained, i.e. arelatively coarse particulate material in layer 24 and a relatively fine layer of particulate material in layer 22, the size normally for layer 24 being larger than a mesh size of 8, usually between 8 and 60, and the size normally for layer 22 being smaller than a mesh size of 8, usually between 6 and 8. The coarse material may constitute as much as 85 percent by weiyht of the litter material al-though it is usually less, such as in a ranye of 40 to 60 1~ percent.
The litter material is normally sold in bags which can be conveniently opened from the bottom so that the material can be discharged from the package or con-tainer into box 20 wherein the two layers of the bag form two lay~rs as illustrated in Figure 4. The manner in which the material is removed from the bag and the flow of the material there~rom controlled as it is discharged, is il-lustrated in Figures 5 and 6. After the bottom of the bag has been opened and the material is being discharged, the bag is prefexably moved in some type of horizontal move-ment, such as the circular movement illustrated in Figure
Figure 3 is a perspective view of a sanitary cat box and the bag of Figures 1 and 2, illustrating the manner in which the material is poured from the bottom of the bag to obtain satisfactory distribution of the filler ma-terial in the box;
Figure ~ is a vertical cross sectional view of the cat box shown in Figure 3/ after the material has been deposited therein;
Figure 5 is a vertical cross sectional view of the cat box shown in the preceding figures and an eleva-tional view of the bay with the filler material being poured from the bag into the box during -the initial stage of the filling operation; and Figure 6 is a vertical cross sectional view of the cat box shown in the precediny figures and an ele-vational view of the bag, showing the filler material flowing from the bag in a later stage of the cat box filler operation.
Description of the Preferred Embodiment Referring more specifically to the drawings, and to Figures 1 and 2 in particular, numeral 10 indicates generally a package of cat box filler material, sometimes referred to as cat litter, consisting of a bag 12 and the cat box filler material indicated generally ~y numeral 14.
Normally the two ends 16 and 18 of the bag are seal~d and the lower end, ~or reasons which will be more fully ex-plalned hereinafter, should be relatively easy to open for the purpose o~ discharging the litter material 14 into a sanitary cat box such as illustrated in Figure 3 at numeral 20. The package may be a bag or a box, and it may be con-structed of either paper, plastic r or a combination of these materials, and it may be flexible or ~tiff. Normally the bags are of a size which contains 5 or 10 pounds of litter material and can be easily marketed throuyh a supermarket or a hardware or pet store.
The litter material has two distinct layers, namely a lower layer 22 of relatively fine particulate material and an upper layer 24 of a relatively coarse particulate material, with a rather distinct dividing line 26 where the two materials are in contact with one another.
The upper layer of relatively coarse particulate material contains or is treated with an odor suppressant, and the lower layer 22 is normally without any odor suppressant, or with only a small amount of odor suppressant. The basic material of layers 22 and 24 may be the same, such as ground clay, the difference between the two layers con-sisting primarily of the distinct differences in the size of the particles forming the respective layers, and of the presence of an odor suppressant in the layer of relatively coarse particulate material and the absence, or only a small amount, of the suppressant in the relatively fine particulate ma erial. The kind or type of odor suppressant may vary depending upon suitability of the material for 10 m;nlml zing the odor from the urine and feces deposited by the cat or other animal in the sanitary box.
~ hile the two layers may both con-tain an odor suppressant, the odor suppressant in layer 24 is normally substantially more potent than the odor suppressant in layer 22. The type of odor suppressant may be different in the two layers and three or more layers of different par-ticle size may be used in the litter material. Since the layer 24 forms the top layer of the filler material after it has been added -to the box, and hence acts to prevent the odor from the animal waste from permeating the air above the box, the two layers 22 and 24 are normally not physic-ally separated from one another but merely form a line of contact indicated by numeral 26 as seen in Figure 2. The size of the particles of the respective layers 22 and 24 is not particularly critical so long as layer 24 is of a coarser texture than layer 22 and is of a size suitable for use by the cat or other animal. Since cats habitually cover the deposited feces, -the material should be of such a size that it can easily be moved by the cat's paw to per-form the covering operation. Thus a wide range of particlesizes in the two layers is possible so long as the rela-5iE~
tionship in the particulate sizes is maintained, i.e. arelatively coarse particulate material in layer 24 and a relatively fine layer of particulate material in layer 22, the size normally for layer 24 being larger than a mesh size of 8, usually between 8 and 60, and the size normally for layer 22 being smaller than a mesh size of 8, usually between 6 and 8. The coarse material may constitute as much as 85 percent by weiyht of the litter material al-though it is usually less, such as in a ranye of 40 to 60 1~ percent.
The litter material is normally sold in bags which can be conveniently opened from the bottom so that the material can be discharged from the package or con-tainer into box 20 wherein the two layers of the bag form two lay~rs as illustrated in Figure 4. The manner in which the material is removed from the bag and the flow of the material there~rom controlled as it is discharged, is il-lustrated in Figures 5 and 6. After the bottom of the bag has been opened and the material is being discharged, the bag is prefexably moved in some type of horizontal move-ment, such as the circular movement illustrated in Figure
3, to spread the material and to assist in forming the two distinct horizontal layers as illustrated in Figure 4, in which the relatively fine particulate material is on the bottom and the relatively coarse material containing the potent odor suppressant is on the top.
The special advantage in the use of a relatively fine and relatively coarse material is that the relatively fine material inherently tends to settle to the bottom of the package or other container, and the relatively coarse material tends to rise to the top. If during the trans-5~
portation and handling of the packaye the materials of the two layers become interming]edl the materials can be returned to their original separate~ condition in the vertically positioned package, with the relatively fine material on the bottom and the relatively coarse material on top, by bouncing or otherwise vibrating the bag in its upright position to effectively separate the material into the two layers with the relatively coarse layer in the top of the package. In order to assist the ultimate user in ~nowing where the relatively fine and coarse materials are located, the respective layers may be indicated on the external surface o~ the bag, or a transparent bag or window in the bag may be provided so that the material can be inspected before the bottom of the bag is opened to discharge the material in the box. In order to ensure separation of the large and small particulate material into the respective coarse and fine layers~ it may be desirable to perform the bouncing or vibration operation on the package in each instance before it is opened. This nor-~o mally would require a few jars resulting from bouncing thepackage while it is in the proper upright position, since the particles of the respective litters will normally not have become intermingled to any significant degree in shipping and handling.
After the material has been placed in the box as illustrated in Figure 4, the odor suppressant material in the relatively coarse particulate material not only tends to remain on top of the relatively fine particulate material, but the coarse particulate material can be maintained as the effective upper layer by jarring or otherwise vibrating the litter material in the box from 95~
. ~
time to time between uses of the box by the cat or other animal.
The steps by which the litter material in the package is discharged into the box consist in opening tne bottom of the package and permitting the material to flow from the lower end of the package. This operation permits the relatively fine particulate material to cover the lower portion of the box, particularly if the package is moved in a horizontal ~ashion, such as illustrated in Figure 3.
After the relatively fine particulate material has been discharged, the relatively coarse material flows from the bag, co~7ering the layer of relatively fine particulate : material. The material can then be smoothed by hand or otherwise to form a horizontal surface for the animal, and, in the event there has been any mixing of the relatively fine and relatively coarse particulate materials, the box can be jarred or otherwise vibrated to effect suitable separation of the two sizes of particulate material into the respective layers, with the coarse, potent odor suppressant material on top. The special advantages of the present invention are that any inadvertent ming].ing of the material resulting from unavoidable vibration in trans~
portation and handling can effectively be overcome, and the relatively expensive odor suppressant material can always be maintained in the upper layer of the box, regardless of any undue scratching action performed by the cat or other animals. The box can be jarred or otherwise vibrated to separate the relatively fine and relatively coarse par-ticulate materials from one another into their lower and upper layers as previously described hereinO
While only one embodiment of the present cat box L95~
filler material has been described in detail herein/
various changes and modifications may be made without departing from the scope of the invention.
The special advantage in the use of a relatively fine and relatively coarse material is that the relatively fine material inherently tends to settle to the bottom of the package or other container, and the relatively coarse material tends to rise to the top. If during the trans-5~
portation and handling of the packaye the materials of the two layers become interming]edl the materials can be returned to their original separate~ condition in the vertically positioned package, with the relatively fine material on the bottom and the relatively coarse material on top, by bouncing or otherwise vibrating the bag in its upright position to effectively separate the material into the two layers with the relatively coarse layer in the top of the package. In order to assist the ultimate user in ~nowing where the relatively fine and coarse materials are located, the respective layers may be indicated on the external surface o~ the bag, or a transparent bag or window in the bag may be provided so that the material can be inspected before the bottom of the bag is opened to discharge the material in the box. In order to ensure separation of the large and small particulate material into the respective coarse and fine layers~ it may be desirable to perform the bouncing or vibration operation on the package in each instance before it is opened. This nor-~o mally would require a few jars resulting from bouncing thepackage while it is in the proper upright position, since the particles of the respective litters will normally not have become intermingled to any significant degree in shipping and handling.
After the material has been placed in the box as illustrated in Figure 4, the odor suppressant material in the relatively coarse particulate material not only tends to remain on top of the relatively fine particulate material, but the coarse particulate material can be maintained as the effective upper layer by jarring or otherwise vibrating the litter material in the box from 95~
. ~
time to time between uses of the box by the cat or other animal.
The steps by which the litter material in the package is discharged into the box consist in opening tne bottom of the package and permitting the material to flow from the lower end of the package. This operation permits the relatively fine particulate material to cover the lower portion of the box, particularly if the package is moved in a horizontal ~ashion, such as illustrated in Figure 3.
After the relatively fine particulate material has been discharged, the relatively coarse material flows from the bag, co~7ering the layer of relatively fine particulate : material. The material can then be smoothed by hand or otherwise to form a horizontal surface for the animal, and, in the event there has been any mixing of the relatively fine and relatively coarse particulate materials, the box can be jarred or otherwise vibrated to effect suitable separation of the two sizes of particulate material into the respective layers, with the coarse, potent odor suppressant material on top. The special advantages of the present invention are that any inadvertent ming].ing of the material resulting from unavoidable vibration in trans~
portation and handling can effectively be overcome, and the relatively expensive odor suppressant material can always be maintained in the upper layer of the box, regardless of any undue scratching action performed by the cat or other animals. The box can be jarred or otherwise vibrated to separate the relatively fine and relatively coarse par-ticulate materials from one another into their lower and upper layers as previously described hereinO
While only one embodiment of the present cat box L95~
filler material has been described in detail herein/
various changes and modifications may be made without departing from the scope of the invention.
Claims (8)
1. A package of litter material for small animals, comprising a container having elongated side walls and opposite end walls; a layer of relatively coarse particulate, liquid absorbent material disposed in one end of said elongated container and having an odor suppressant therein, a layer of relatively fine particulate, liquid absorbent material disposed in the other end of said elongated container, the end wall adjacent said relatively fine material being openable for discharging sequentially first said relatively fine particulate layer and then said relatively coarse particulate layer to form a multiple layer bed of litter with said relatively coarse particulate material forming the top layer of said bed.
2. A package of litter material for small animals as defined in Claim 1 in which said layer of relatively coarse particulate material is disposed in the upper end of the package when the package is in a normal upright position, and the end wall opposite the end in which the coarse particulate material is disposed is openable for discharging the layers of particulate material.
3. A package of litter material for small animals as defined in Claim 1 in which said layer of relatively fine particulate material contains an odor suppressant material in an amount substantially less than the amount of odor suppressant material in said coarse particulate material.
4. A package of litter material for small animals as defined in Claim 2 in which said layer of relatively coarse particulate material contains an odor suppressant material in an amount substantially greater than the amount of odor suppressant material in said fine particulate material.
5. A package of litter material for small animals as defined in Claim 1 in which said relatively fine particulate material is substantially free of odor suppressant material.
6. A package of litter material for small animals as defined in Claim 2 in which said relatively fine particulate material is substantially free of odor suppressant material.
7. A package of litter material for small animals as defined in Claim 1 in which the particles of the relatively coarse particulate material are in the range of 6 to 8 mesh size and the particles of the relatively fine material are in the range of 8 to 60 mesh size.
8. A package of litter material for small animals as defined in Claim 2 in which the particles of the relatively coarse particulate material are in the range of 6 to 8 mesh size and the particles of the relatively fine material are in the range of 8 to 60 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000484559A CA1201338A (en) | 1982-11-04 | 1985-06-19 | Litter material for small animals |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US439,034 | 1982-11-04 | ||
| US06/439,034 US4712508A (en) | 1980-03-20 | 1982-11-04 | Litter material for small animals |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000484559A Division CA1201338A (en) | 1982-11-04 | 1985-06-19 | Litter material for small animals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1195889A true CA1195889A (en) | 1985-10-29 |
Family
ID=23743004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000432803A Expired CA1195889A (en) | 1982-11-04 | 1983-07-20 | Litter material for small animals |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1195889A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164022A (en) * | 2017-10-17 | 2020-05-15 | 株式会社大贵 | Excrement disposal member |
-
1983
- 1983-07-20 CA CA000432803A patent/CA1195889A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164022A (en) * | 2017-10-17 | 2020-05-15 | 株式会社大贵 | Excrement disposal member |
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Legal Events
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|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |