CA2045977A1 - Waste disposal system - Google Patents
Waste disposal systemInfo
- Publication number
- CA2045977A1 CA2045977A1 CA 2045977 CA2045977A CA2045977A1 CA 2045977 A1 CA2045977 A1 CA 2045977A1 CA 2045977 CA2045977 CA 2045977 CA 2045977 A CA2045977 A CA 2045977A CA 2045977 A1 CA2045977 A1 CA 2045977A1
- Authority
- CA
- Canada
- Prior art keywords
- wire
- frame
- modular
- pair
- waste
- 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.)
- Abandoned
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010791 domestic waste Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 101100411613 Bacillus subtilis (strain 168) racX gene Proteins 0.000 description 1
- 101100179596 Caenorhabditis elegans ins-3 gene Proteins 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 bottles and jars~ Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Refuse Receptacles (AREA)
Abstract
ABSTRACT
A modular waste sorting and stirage system comprising a sliding frame structure adapted to be secured in a cupboard, one or more modular wire frames adapted to hold waste receiving apparatus and apparatus for removably attaching the one or more modular wire frames to the sliding frame structure.
A modular waste sorting and stirage system comprising a sliding frame structure adapted to be secured in a cupboard, one or more modular wire frames adapted to hold waste receiving apparatus and apparatus for removably attaching the one or more modular wire frames to the sliding frame structure.
Description
WASTE DISPOSA~ SYSTEM
This invention relates in general to garbage disposal systems, and more particularly to a modular domestic waste sorting and storage system.
Recent heightened environmental concerns have led to an increase in community reaycllng programs. In accordance with such programs, citizens are asked to separate their household refuse into various recycling categories, such as glass (e.g. bottles and jars~, paper, and organic waste.
A number of prior art domsstic waste separation and storage systems have been developed. One such system is manu~actured by Hailo-Werk Rudolph Loh GmbH and Co. KG
under the trade name Tandem 3650. The Hailo device is designed for mounting beneath a sink or in a cupboard, etc. Two receptacle bins are suspended within a frame designed to slide on rollers from the storage position to an open position. A stationary pivoted lid is provided which opens as a result of a camming surface on the retractable frame urging the lid upwardly when the frame and bins are retracted. The stationary lid is of complex design and has been found to be difficult to clean due to its stationary and fixed location beneath the kitchen sink, or in a cupboard, etc. Furthermore, because o~ the unitary lid design, the lid opens whenever the frame is retracted. ~hus, where the household consumer wishes to discard only of a bottle, but does not wish to have access to the discarded food bin, the lid nonetheless opens, resulting in exposure t~ food odours, etc. The Hailo product is of strictly dual bin design, and includes no modular features. Numerous other storage systems are known, many o~ which suffer from the same disadvantages.
According to one aspect of the pr~sent invention, a waste disposal system is provided which is of modular design, and incorporates a sliding frame and separate lids ~or each bin, such that access to one storage bin does not necessitate opening the lid to the other storage bin. Furthermore, the modular design of the system in accordance with the present invention allows for dual or single bin installation, as well as installation of bins remote from the sliding frame.
An aspect of the invention is defined by a modular waste sorting and storage system comprising a sliding frame structure adapted to be secured in a cupboard, one or more modular wire frames adapted to hold waste receiving means, and means for removably attaching said one or more modular wire frames to said sliding frame structure.
A ~urther aspect of the invention is defined by a two-way storage system for separating waste and recyclable matter, comprising a wire racX adapted to ble secured to a cupboard door, said wire rack further comprising a pair of rectangular downwardly extending wire portions for receiving respective outside handles of a pair of bags to be supported, a central stabilizer bar for connection between said door and said wire rack, and a centrally disposed further downwardly extending portion having a sheet metal portion thereon defining a pair of oppositely disposed forks for receiving respective inside handles of said pair of bags to be supported, Further aspects of the present invention will be described in detail below with reference to the following drawings, in which:
Figure 1 is a perspective view of the system according the present invention;
Figure 2 is a view of the system according to the present invention installed beneath a kitchen counter top;
Figure 3 is an exploded view showing the bin and wire frame construction of the system;
Figure 4 is a cross-section side elevation view of the system;
Figure 5 is a perspective view showing installation of the frame structure according to the system of the present invention;
} 'r'~? ;~1 Figure 6 is a detailed view of the roller assembly of the ~ra~e in accordance with the present invention;
Figure 7 is a perspective view of a firsk alternativ~ embodiment of the system according to the pres~nt invention; and Figure 8 is a perspective view of a further alternative embodiment of the system acc~rding to the present invention.
Turning to Figures 1 and 2, the system is shown generally by reference numeral 1, and comprises a pair o~
~ins 3 resting on respective wire frames 5. A pair oX
lids 7 are pivotally mounted to the wire ~rames 5 as shown in greater detail with reference to Figure 3, for enabling access to the bins 3.
The wire frames 5 are removably mounted to a sliding frame structure 9 shown in greater detail with reference to Figures 5 and 6.
As shown in Figure 1, the dual bin design can be used to separate garbaqe into various recycling categories (e.g. bottles in one bin and paper in another). The entire unit 1 may be mounted in a cupboard 11 beneath a kitchen counter (Figure 2) in order to provids easy access to the bins 3.
As ~hown in Figure 3, the bin 3 is easily inserted and removed from the wire Prame 5, and the lid 7 pivots on an upper horizontal portion of the wire frame 5 so as to provide acces~ to the bin 3. Accordingly~ both the bin 3 and lid 7 may be easily removed for cleaning, etc.
In addition, the wire fra~e 5 is shown resting in 39 cooperatively dimensioned pairs of key-hole shaped slots 13 in an upper portion 15 o~ the frame 9 (see Figure 6).
The slots 13 hold the wire frame 5 securely in place, yet al50 allow the wire frame 5 to be removed for cleaning.
The wire ~rame 5 may alternatively be separately mounted at any other convenient location apart from the frame structure 9, such as the side door 17 of the cupboard shown in Figure 2.
r^,~ J ,~. ~
The modular approach to the system of the present invention results in significant flexibility of inst~llation design over prior art systems.
Turning to Figures 4, 5 and 6, the mounting frame 9 is shown in greater detail comprising upper rectangular frame portion 15 having depending wheels ls at respective end corners thereof, the wheels 19 being designed to roll within corresponding dimensioned guides 21 of a lower frame portion 23. The lower frame portion 23 includes additional wheels 25 projecting from the ~ront thereof, adapted to support a surrounding rim portion 27 of the upper frame portion 15. The guide 21 has upper and lower horizontal surfa~es ~or ensuring proper stability of the fram~ when in the retracted position ~i.e. the centre of gravity of the combination frame 15 and bins 3 being offset from the centre of the lower frame 23).
As can be seen from Figure 6, the upper frame 15 and lower frame 23 are also of modular design such that the sliding upper frame 15 may be easily removed for cleaning, servicing, etc.
As shown in Figures 4 and 5, the lower frame 23 may be secured within the cupboard 11 by means of a plurality of screws 29 in a straightforward manner.
In uæe, the household consumer may install the wire frame 15 and associated pivoting and attachable lid 7 on the upper sliding frame structure 15, or alternatively by means of brackets or clips (not shown) directly onto a vertical surface such as a wall, or the inside door 17 of the cupboard 11. Refuse may be easily stored by simply sliding the frame 15 and associated frames 5 and bins 3 to an extracted position, liftin~ one or both of the lids 7 to an opened position, and placing re~use within the bins 3. In order to discard of the refuse, the lids 7 may be opened and the bins 3 simply removed for emptying.
According to the embodiment o~ Figure 7, a pair of bag holders 31 ~re provided for holding up to three plastic, paper or reusable cloth bags 33 (shown in Ji phantom~ Each of the wire frame bag holders comprises a pair of hinged rectangular wire frame portions adapted for insertion into the slots 13 of upper rectangular frame portion 15 in the same manner as discussed with refer~nce to the preferred embodiment of Figures ~--6.
Each of the rectangular frame portions comprising bag holders 31 is also characterized by a rectangularly bent portion at the top thereof for insertion through handle apertures of the bags 33.
In operation, the system of Figure 7 may be used to separate cans, bottles, plastic, etc., into one bag;
newspaper, reu~able bags, etc. into the second bag; and garbage" compost, etc. into the third bag. When a bag 33 is full, it can be simply removed from the rack or bag holder 31 for discarding.
In Figure 8, a further alternative embodiment is illustrated in which a wire frame rack 35 is mounted directly to the inside of door 17 of the cupboard 11.
The wire frame rack 35 may be adapted to hold two bags (not shown) for separating waste from recyclable matter, or to æeparate different varieties of recyclable matter ~e.g. ~ans from glas6, e~c.). The mounting of rack 35 is effected by two hook-shaped clips 37 and a stabilizer bar 39 which are secured to the door 17. Although not shown, the embodiment of Figure 8 may also be provided with a pair of lids pivotally moun~ed on upper wire frame member 41 to cover respective ones of the bags, or a single lid adapted to cover both bags.
A central member 43 is provided with a stamped~out sheet metal portion 45 having oppositeIy disposed forks 47. In order to hang a bag, one bag is wrapped over top of the wire frame rack 35 and hooked onto the downwardly extending rectangular portion 51 while the other bag handle is hooked onto respective prongs or teeth of the oppositely disposed forks 47 adjacent the bag.
In summary, according to the present invention, a modular domestic waste sorting and storage system is provided for separating waste and recyclable matt~r. The system can be easily mounted within a cuphoard or to the inside of a cupboard door with a minimum of parts and complexity.
Furthermore, as discussed above, the modular aspect of the present invention permits each of the bins 3, lids 7, wire ~rames ~, and sliding frame 15 to be separately detachable and removable for easy cleaning in order to maintain proper hygiene.
Other emb~diments and variations ar~e possible within the sphere and scope of the claims appended hereto. For example, the upper rectangular frame portion 15 may be provided with addltional U-shaped slots similar to th~, 510ts 13 arranged in pairs or otherwise, ~or accommodating further applications of wire frame or other structur~ to the sliding frame structure 9.
This invention relates in general to garbage disposal systems, and more particularly to a modular domestic waste sorting and storage system.
Recent heightened environmental concerns have led to an increase in community reaycllng programs. In accordance with such programs, citizens are asked to separate their household refuse into various recycling categories, such as glass (e.g. bottles and jars~, paper, and organic waste.
A number of prior art domsstic waste separation and storage systems have been developed. One such system is manu~actured by Hailo-Werk Rudolph Loh GmbH and Co. KG
under the trade name Tandem 3650. The Hailo device is designed for mounting beneath a sink or in a cupboard, etc. Two receptacle bins are suspended within a frame designed to slide on rollers from the storage position to an open position. A stationary pivoted lid is provided which opens as a result of a camming surface on the retractable frame urging the lid upwardly when the frame and bins are retracted. The stationary lid is of complex design and has been found to be difficult to clean due to its stationary and fixed location beneath the kitchen sink, or in a cupboard, etc. Furthermore, because o~ the unitary lid design, the lid opens whenever the frame is retracted. ~hus, where the household consumer wishes to discard only of a bottle, but does not wish to have access to the discarded food bin, the lid nonetheless opens, resulting in exposure t~ food odours, etc. The Hailo product is of strictly dual bin design, and includes no modular features. Numerous other storage systems are known, many o~ which suffer from the same disadvantages.
According to one aspect of the pr~sent invention, a waste disposal system is provided which is of modular design, and incorporates a sliding frame and separate lids ~or each bin, such that access to one storage bin does not necessitate opening the lid to the other storage bin. Furthermore, the modular design of the system in accordance with the present invention allows for dual or single bin installation, as well as installation of bins remote from the sliding frame.
An aspect of the invention is defined by a modular waste sorting and storage system comprising a sliding frame structure adapted to be secured in a cupboard, one or more modular wire frames adapted to hold waste receiving means, and means for removably attaching said one or more modular wire frames to said sliding frame structure.
A ~urther aspect of the invention is defined by a two-way storage system for separating waste and recyclable matter, comprising a wire racX adapted to ble secured to a cupboard door, said wire rack further comprising a pair of rectangular downwardly extending wire portions for receiving respective outside handles of a pair of bags to be supported, a central stabilizer bar for connection between said door and said wire rack, and a centrally disposed further downwardly extending portion having a sheet metal portion thereon defining a pair of oppositely disposed forks for receiving respective inside handles of said pair of bags to be supported, Further aspects of the present invention will be described in detail below with reference to the following drawings, in which:
Figure 1 is a perspective view of the system according the present invention;
Figure 2 is a view of the system according to the present invention installed beneath a kitchen counter top;
Figure 3 is an exploded view showing the bin and wire frame construction of the system;
Figure 4 is a cross-section side elevation view of the system;
Figure 5 is a perspective view showing installation of the frame structure according to the system of the present invention;
} 'r'~? ;~1 Figure 6 is a detailed view of the roller assembly of the ~ra~e in accordance with the present invention;
Figure 7 is a perspective view of a firsk alternativ~ embodiment of the system according to the pres~nt invention; and Figure 8 is a perspective view of a further alternative embodiment of the system acc~rding to the present invention.
Turning to Figures 1 and 2, the system is shown generally by reference numeral 1, and comprises a pair o~
~ins 3 resting on respective wire frames 5. A pair oX
lids 7 are pivotally mounted to the wire ~rames 5 as shown in greater detail with reference to Figure 3, for enabling access to the bins 3.
The wire frames 5 are removably mounted to a sliding frame structure 9 shown in greater detail with reference to Figures 5 and 6.
As shown in Figure 1, the dual bin design can be used to separate garbaqe into various recycling categories (e.g. bottles in one bin and paper in another). The entire unit 1 may be mounted in a cupboard 11 beneath a kitchen counter (Figure 2) in order to provids easy access to the bins 3.
As ~hown in Figure 3, the bin 3 is easily inserted and removed from the wire Prame 5, and the lid 7 pivots on an upper horizontal portion of the wire frame 5 so as to provide acces~ to the bin 3. Accordingly~ both the bin 3 and lid 7 may be easily removed for cleaning, etc.
In addition, the wire fra~e 5 is shown resting in 39 cooperatively dimensioned pairs of key-hole shaped slots 13 in an upper portion 15 o~ the frame 9 (see Figure 6).
The slots 13 hold the wire frame 5 securely in place, yet al50 allow the wire frame 5 to be removed for cleaning.
The wire ~rame 5 may alternatively be separately mounted at any other convenient location apart from the frame structure 9, such as the side door 17 of the cupboard shown in Figure 2.
r^,~ J ,~. ~
The modular approach to the system of the present invention results in significant flexibility of inst~llation design over prior art systems.
Turning to Figures 4, 5 and 6, the mounting frame 9 is shown in greater detail comprising upper rectangular frame portion 15 having depending wheels ls at respective end corners thereof, the wheels 19 being designed to roll within corresponding dimensioned guides 21 of a lower frame portion 23. The lower frame portion 23 includes additional wheels 25 projecting from the ~ront thereof, adapted to support a surrounding rim portion 27 of the upper frame portion 15. The guide 21 has upper and lower horizontal surfa~es ~or ensuring proper stability of the fram~ when in the retracted position ~i.e. the centre of gravity of the combination frame 15 and bins 3 being offset from the centre of the lower frame 23).
As can be seen from Figure 6, the upper frame 15 and lower frame 23 are also of modular design such that the sliding upper frame 15 may be easily removed for cleaning, servicing, etc.
As shown in Figures 4 and 5, the lower frame 23 may be secured within the cupboard 11 by means of a plurality of screws 29 in a straightforward manner.
In uæe, the household consumer may install the wire frame 15 and associated pivoting and attachable lid 7 on the upper sliding frame structure 15, or alternatively by means of brackets or clips (not shown) directly onto a vertical surface such as a wall, or the inside door 17 of the cupboard 11. Refuse may be easily stored by simply sliding the frame 15 and associated frames 5 and bins 3 to an extracted position, liftin~ one or both of the lids 7 to an opened position, and placing re~use within the bins 3. In order to discard of the refuse, the lids 7 may be opened and the bins 3 simply removed for emptying.
According to the embodiment o~ Figure 7, a pair of bag holders 31 ~re provided for holding up to three plastic, paper or reusable cloth bags 33 (shown in Ji phantom~ Each of the wire frame bag holders comprises a pair of hinged rectangular wire frame portions adapted for insertion into the slots 13 of upper rectangular frame portion 15 in the same manner as discussed with refer~nce to the preferred embodiment of Figures ~--6.
Each of the rectangular frame portions comprising bag holders 31 is also characterized by a rectangularly bent portion at the top thereof for insertion through handle apertures of the bags 33.
In operation, the system of Figure 7 may be used to separate cans, bottles, plastic, etc., into one bag;
newspaper, reu~able bags, etc. into the second bag; and garbage" compost, etc. into the third bag. When a bag 33 is full, it can be simply removed from the rack or bag holder 31 for discarding.
In Figure 8, a further alternative embodiment is illustrated in which a wire frame rack 35 is mounted directly to the inside of door 17 of the cupboard 11.
The wire frame rack 35 may be adapted to hold two bags (not shown) for separating waste from recyclable matter, or to æeparate different varieties of recyclable matter ~e.g. ~ans from glas6, e~c.). The mounting of rack 35 is effected by two hook-shaped clips 37 and a stabilizer bar 39 which are secured to the door 17. Although not shown, the embodiment of Figure 8 may also be provided with a pair of lids pivotally moun~ed on upper wire frame member 41 to cover respective ones of the bags, or a single lid adapted to cover both bags.
A central member 43 is provided with a stamped~out sheet metal portion 45 having oppositeIy disposed forks 47. In order to hang a bag, one bag is wrapped over top of the wire frame rack 35 and hooked onto the downwardly extending rectangular portion 51 while the other bag handle is hooked onto respective prongs or teeth of the oppositely disposed forks 47 adjacent the bag.
In summary, according to the present invention, a modular domestic waste sorting and storage system is provided for separating waste and recyclable matt~r. The system can be easily mounted within a cuphoard or to the inside of a cupboard door with a minimum of parts and complexity.
Furthermore, as discussed above, the modular aspect of the present invention permits each of the bins 3, lids 7, wire ~rames ~, and sliding frame 15 to be separately detachable and removable for easy cleaning in order to maintain proper hygiene.
Other emb~diments and variations ar~e possible within the sphere and scope of the claims appended hereto. For example, the upper rectangular frame portion 15 may be provided with addltional U-shaped slots similar to th~, 510ts 13 arranged in pairs or otherwise, ~or accommodating further applications of wire frame or other structur~ to the sliding frame structure 9.
Claims (16)
1. A modular waste sorting and storage system comprising a sliding frame structure adapted to be secured in a cupboard, one or more modular wire frames adapted to hold waste receiving means, and means for removably attaching said one or more modular wire frames to said sliding frame structure.
2. The modular waste sorting and storage system of claim 1, wherein said sliding frame structure further comprises:
a) an upper rectangular frame portion having a surrounding rim, b) a lower rectangular frame portion adapted to be secured within said cupboard, c) a pair of guides disposed on opposite sides of said lower rectangular frame portion, d) a first pair of wheels disposed on opposite corners of said upper frame portion and adapted to be received within respective ones of said guides for rolling engagement therewith, e) a second pair of wheels disposed on opposite corners of said lower frame portion remote from said first pair of wheels and adapted to support said surrounding rim on opposite sides of said upper frame portion for rolling engagement therewith, and f) a plurality of slots in said upper frame portion for receiving said one or more wire frames therewithin.
a) an upper rectangular frame portion having a surrounding rim, b) a lower rectangular frame portion adapted to be secured within said cupboard, c) a pair of guides disposed on opposite sides of said lower rectangular frame portion, d) a first pair of wheels disposed on opposite corners of said upper frame portion and adapted to be received within respective ones of said guides for rolling engagement therewith, e) a second pair of wheels disposed on opposite corners of said lower frame portion remote from said first pair of wheels and adapted to support said surrounding rim on opposite sides of said upper frame portion for rolling engagement therewith, and f) a plurality of slots in said upper frame portion for receiving said one or more wire frames therewithin.
3. The modular waste sorting and storage system of claim 2, wherein at least one of said wire frames comprises a rectangular base portion adapted to be received within said plurality of slots, and a side portion integral with said base portion and extending generally perpendicular thereto from one side thereof, each of said base portion and side portion having at least one upstanding portion adapted to surround said waste receiving means.
4. The modular waste sorting and storage system of claim 3, wherein said waste receiving means is a bin of generally rectangular cross-section.
5. The modular waste sorting and storage system of claim 2, wherein at least one of said wire frames comprises a pair of centrally hinged generally rectangular portions adapted to be received within said plurality of slots, each of said generally rectangular portions having an upstanding portion adapted to hold said waste receiving means.
6. The modular waste sorting and storage system of claim 5, wherein said waste receiving means is a bag having a pair handle apertures therein through which a respective one of each said upstanding portion passes for holding said bag.
7. The modular waste sorting and storage system of claim 1, further comprising a lid removably pivotally attached to said one or more modular wire frames and adapted to cover said waste receiving means.
8. The modular waste sorting and storage system of claim 4, further comprising a lid removably pivotally attached to said side portion of said at least one of said wire frames and adapted to cover said bin.
9. The wire frame of claim 3, further including means for securing said wire frame to a door of said cupboard.
10. The wire frame of claim 5 further including means for securing said wire frame to a door of said cupboard.
11. The wire frame of claim 9, wherein said waste receiving means is a bin of generally rectangular cross-section.
12. The wire frame of claim 10, wherein said waste receiving is a bag having a pair handle apertures therein through which a respective one of each said upstanding portion passes for holding said bag.
13. The wire frame of claim 9, further comprising a lid removably pivotally attached thereto adapted to cover said waste receiving means.
14. The wire frame of claim 9, further comprising a lid removably pivotally attached thereto adapted to cover said waste receiving means.
15. A two-way storage system for separating waste and recyclable matter, comprising a wire rack adapted to be secured to a cupboard door, said wire rack further comprising a pair of rectangular downwardly extending wire portions for receiving respective outside handles of a pair of bags to be supported, a central stabilizer bar for connection between said door and said wire rack, and a centrally disposed further downwardly extending portion having a sheet metal portion thereon defining a pair of oppositely disposed forks for receiving respective inside handles of said pair of bags to be supported.
16. The two-way storage system of claim 15, further comprising a lid removably pivotally attached thereto adapted to cover said bags.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB909017521A GB9017521D0 (en) | 1990-08-09 | 1990-08-09 | Waste disposal system |
| GB9017521.7 | 1990-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2045977A1 true CA2045977A1 (en) | 1992-02-10 |
Family
ID=10680432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2045977 Abandoned CA2045977A1 (en) | 1990-08-09 | 1991-06-28 | Waste disposal system |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2045977A1 (en) |
| GB (1) | GB9017521D0 (en) |
-
1990
- 1990-08-09 GB GB909017521A patent/GB9017521D0/en active Pending
-
1991
- 1991-06-28 CA CA 2045977 patent/CA2045977A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| GB9017521D0 (en) | 1990-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |