CA1086268A - Key case head - Google Patents
Key case headInfo
- Publication number
- CA1086268A CA1086268A CA297,906A CA297906A CA1086268A CA 1086268 A CA1086268 A CA 1086268A CA 297906 A CA297906 A CA 297906A CA 1086268 A CA1086268 A CA 1086268A
- Authority
- CA
- Canada
- Prior art keywords
- bar
- openings
- key
- slots
- tubular member
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/32—Bags or wallets for holding keys
- A45C11/323—Bags or wallets for holding keys with key hangers
Landscapes
- Supports Or Holders For Household Use (AREA)
- Lock And Its Accessories (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
Key Case Head comprising a first generally cylindrically-shaped outer member having slots In communication with offset openings, the offset openings being spaced from opposite ends of said slots, the slots being adapted to retain a key hook and the offset openings being adapted to permit a key hook to pass therethrough, and a second member disposed within the first member, the second member having slot means In alignment with the slots and having recesses in communication there-with but offset therefrom, the second member being rotatably movable to selectively allign its recesses with openings in the first member to permit withdrawal or entrance of a key hook.
Key Case Head comprising a first generally cylindrically-shaped outer member having slots In communication with offset openings, the offset openings being spaced from opposite ends of said slots, the slots being adapted to retain a key hook and the offset openings being adapted to permit a key hook to pass therethrough, and a second member disposed within the first member, the second member having slot means In alignment with the slots and having recesses in communication there-with but offset therefrom, the second member being rotatably movable to selectively allign its recesses with openings in the first member to permit withdrawal or entrance of a key hook.
Description
`` 1(J~Z68 This invention relates to key case heads and iB directed more ;~ particularly to a key case head having offset access openings for the removable attachment of key hooks.
,;~ A variety of embodiments of key case heads are well known in the art and generally comprise relatively movable inner and outer members for alignment of access openings for the removal or entrance of key hooks.
The access openings for the key hooks are larger in diameter than the width of the slot and the enlarged head or ball on the anchor end of the key hook permits the head to pass therethrough. It is generally the ~' 10 case, that any access opening is provided at one end of the outer member .~ slot and, by moving the first or second member, it is aligned with a ~; similar enlarged recess of the inner member so as to permit the key hook to be withdrawn from the inner and outer members. A problem with this ~-. arrangement has been that once a selected pair of openings and recesses are in alignment for the removal of a single key hook, so also are the remainder of the openings and recesses in alignment for removal of key hooks. It often happens that when all the escape openings and recesses are in alignment and the key hooks tumble to one end of their respective ~` slots a number of the hooks drop through openings and are unintentionally detached from the key case.
It is an object of the present invention to provide a key case head in which the outer member openings and the inner member recesses are in communication with their respective slot means but are offset from each other to pervent unintentional detachment of the key hooks.
- A further object is to provide such a key case head in which the outer member openings are spaced from the opposite ends of the corres-ponding slot means to further lessen the chances of key hooks becoming unintentionally detached from the key head.
A still further object is to provide such a key case head in which - 30 a channel interconnects each outer member slot and its respective offset :;
.~
,.
;Z~I~
Ol-ellill~, tll~` el~nllllel nlCIIII~er l)Cill~ ol tl~c s~tile ~ tl~ ;~s t]l~
~;lot, to ~;till r~rtll(el l'Cd~JCe tl~c ~ IICeS of ~ l~e~ e~ K
lv~l tcl~t1~.
A ~till furtllcr ol)ject iS to provide suc~l a ~ey case head l~hicll is easy to operate, simple in construction, and inexpensive to manufacture.
Yet another object of the invention is o provide nieans by ~hich tne inner member of a key case head is opera-tively retained in the outer member, but without the need of a 1~ specific fabrication step directed to that end, i.e., Wit]lOUt crimping or adding parts.
I~ith the above and other objects in view, as ~
hereinafter appear, a feature of the present invention is the provision of a key case head comprising a first generally cylin-drically-shaped tubular outer member having slots extending circumferentially thereof, each sloi having an opening in com-- mullication therewit}l but longitudinally offset therefrom, each of said slots being adapted to retain a key hook therein enabling movement therealong. ~ach of the offset openings is adapted to 20 permit a hey hook to pass therethrough. A second member com-prising a solid bar of circular cross section and having an outer surface of recessed configuration, including one recessed portion being in alignment with said slots of the outer member and another recessed portion in communication with the first portion. The second member is rotatable relative to the outer member to selectively align said second recessed portion with said opening in the tubular member to permit insertion and removal of said key hooks therefrom.
`` 108~;Z6~
c above and otllcr features of thc invention including various novel ~ctuils of construction an~ combina-tions of l~arts, will now be more particularly described with reference to the accompanying drahings and pointed out in the claims. It will be understood that the particular device .;:
embodying the invention is shown by ~-ay of illustration only and not as a -~ -2a-. .
., 108~;~68 limitatioll of the inv~ntion. The principles and f~ tures c f this inventi-ln m;ly be employed in various an(l numerous embodiments without departing from the scope of the invcntion.
Reference is made to the accompanying drawings in which is shown an illustrative embodiment of the invention from which its novel features and advantages will be apparent.
- Fig. 1 is a perspective view of one form of key case head illus-trative of an embodiment of the invention;
Fig. 2 is a perspective exploded view of the key case head of 10 Fig. 1;
Fig. 3 is an end view thereof;
Fig. 4 is a front elevational view thereof;
Fig. 5 is a top plan view thereof; and Fig. 6 is a back elevational view thereof.
Referring to the drawings, it will be seen that the illustrative : device includes a tubular member or barrel 2 which as shown may be a cylinder. The member is provided with a series of longitudinally spaced arcuate slots 4 extending circumferentially thereof. Each slot 4 has a -- channel or throat portion 5 in communication with an enlarged semi-20 circular opening 6 longitudinally offset from the slot. Each of the slots 4 is dimensioned to retain the head of a key hook 8 (Figs. 1 and 2) and each of the offset openings 6 is adapted to permit entry and removal of the head 7 therethrough. The throat portions 5 are preferably of the same width as the slots 4 so that the stem of a key loop 8 must be aligned therewith for movement of head 7 into registration with the opening 6. The outer member
,;~ A variety of embodiments of key case heads are well known in the art and generally comprise relatively movable inner and outer members for alignment of access openings for the removal or entrance of key hooks.
The access openings for the key hooks are larger in diameter than the width of the slot and the enlarged head or ball on the anchor end of the key hook permits the head to pass therethrough. It is generally the ~' 10 case, that any access opening is provided at one end of the outer member .~ slot and, by moving the first or second member, it is aligned with a ~; similar enlarged recess of the inner member so as to permit the key hook to be withdrawn from the inner and outer members. A problem with this ~-. arrangement has been that once a selected pair of openings and recesses are in alignment for the removal of a single key hook, so also are the remainder of the openings and recesses in alignment for removal of key hooks. It often happens that when all the escape openings and recesses are in alignment and the key hooks tumble to one end of their respective ~` slots a number of the hooks drop through openings and are unintentionally detached from the key case.
It is an object of the present invention to provide a key case head in which the outer member openings and the inner member recesses are in communication with their respective slot means but are offset from each other to pervent unintentional detachment of the key hooks.
- A further object is to provide such a key case head in which the outer member openings are spaced from the opposite ends of the corres-ponding slot means to further lessen the chances of key hooks becoming unintentionally detached from the key head.
A still further object is to provide such a key case head in which - 30 a channel interconnects each outer member slot and its respective offset :;
.~
,.
;Z~I~
Ol-ellill~, tll~` el~nllllel nlCIIII~er l)Cill~ ol tl~c s~tile ~ tl~ ;~s t]l~
~;lot, to ~;till r~rtll(el l'Cd~JCe tl~c ~ IICeS of ~ l~e~ e~ K
lv~l tcl~t1~.
A ~till furtllcr ol)ject iS to provide suc~l a ~ey case head l~hicll is easy to operate, simple in construction, and inexpensive to manufacture.
Yet another object of the invention is o provide nieans by ~hich tne inner member of a key case head is opera-tively retained in the outer member, but without the need of a 1~ specific fabrication step directed to that end, i.e., Wit]lOUt crimping or adding parts.
I~ith the above and other objects in view, as ~
hereinafter appear, a feature of the present invention is the provision of a key case head comprising a first generally cylin-drically-shaped tubular outer member having slots extending circumferentially thereof, each sloi having an opening in com-- mullication therewit}l but longitudinally offset therefrom, each of said slots being adapted to retain a key hook therein enabling movement therealong. ~ach of the offset openings is adapted to 20 permit a hey hook to pass therethrough. A second member com-prising a solid bar of circular cross section and having an outer surface of recessed configuration, including one recessed portion being in alignment with said slots of the outer member and another recessed portion in communication with the first portion. The second member is rotatable relative to the outer member to selectively align said second recessed portion with said opening in the tubular member to permit insertion and removal of said key hooks therefrom.
`` 108~;Z6~
c above and otllcr features of thc invention including various novel ~ctuils of construction an~ combina-tions of l~arts, will now be more particularly described with reference to the accompanying drahings and pointed out in the claims. It will be understood that the particular device .;:
embodying the invention is shown by ~-ay of illustration only and not as a -~ -2a-. .
., 108~;~68 limitatioll of the inv~ntion. The principles and f~ tures c f this inventi-ln m;ly be employed in various an(l numerous embodiments without departing from the scope of the invcntion.
Reference is made to the accompanying drawings in which is shown an illustrative embodiment of the invention from which its novel features and advantages will be apparent.
- Fig. 1 is a perspective view of one form of key case head illus-trative of an embodiment of the invention;
Fig. 2 is a perspective exploded view of the key case head of 10 Fig. 1;
Fig. 3 is an end view thereof;
Fig. 4 is a front elevational view thereof;
Fig. 5 is a top plan view thereof; and Fig. 6 is a back elevational view thereof.
Referring to the drawings, it will be seen that the illustrative : device includes a tubular member or barrel 2 which as shown may be a cylinder. The member is provided with a series of longitudinally spaced arcuate slots 4 extending circumferentially thereof. Each slot 4 has a -- channel or throat portion 5 in communication with an enlarged semi-20 circular opening 6 longitudinally offset from the slot. Each of the slots 4 is dimensioned to retain the head of a key hook 8 (Figs. 1 and 2) and each of the offset openings 6 is adapted to permit entry and removal of the head 7 therethrough. The throat portions 5 are preferably of the same width as the slots 4 so that the stem of a key loop 8 must be aligned therewith for movement of head 7 into registration with the opening 6. The outer member
2 may be affixed to or may be an integral part of a flange portion 10 suitable for attachment to a key case of leather or other suitable material. The outer member 2 is preferably of metal or rigid plastic.
- An inner member or cylindrical latch 12 (Fig. 2) is disposed 30 within the outer member 2 and has a series of longitudinally spaced, arcuate 108~ 8 grooves or slots 14, c.lcll in commlmication with an enlarged r~cesf~ 16 ~;~ which is longitudinally offset there~rom. The grooves 14 in latch 12 arein alignment with the slots 4 in the~ barrel 2. The latch member recesses 16 are adapted to be aligned with the outer barrel member openings 6. The latch member 12 is rotatable within the barrel member 6 to selectively align the recesses 16 with the openings 6, thereby to permit entry or removal of a key hook 8. The inner member 12 may be formed of any suitable material but it has been found preferable to employ a molded syn-thetic plastic resin for long wearing operation in a metal barrel 2. This 10 combination of plastic latch and metal barrel also provides for smooth quiet operation and a low coefficient of friction between the bearing sur-faces of these relatively rotatable components.
- . The inner member 12 is provided at one end with actuator 18 '- which is biased by a coil spring 20 to a position in which the recesses 16 are out of alignment with the openings 6. A shoulder or abutment 24 is formed in the member 4 for engaging the barrel to serve as a stop for limiting rotation of the member within the barrel 2. Accordingly, to . release a key hook 8 from the key case head, it is necessary for an operator to depress the actuator 18 against the pressure of the spring 20 ` 20 to rotate the inner member 12 to its stop position in which the recesses 16 are in alignment with the openings 6.
The openings 6 are offset from opposite ends of their respective ~ slots 4 enabling the key hooks to tumble toward one end or the other of the : slots 4 over an arc of about 180. Preferably, the axes of the openings 6 ~ are disposed at angles substantially normal to the plane of the flange por-- tion 10.
`- Latch member 4 is retained within the barrel member 2 by ~; means of upwardly extending finger or lug 28 disposed at one end of the barrel and defining with the adjacent cylindrical portion of the barrel an ; 30 upwardly opening recess 30. The upper edge of the latch member 4 has a reduced radius wllicll terll)in;ltes ;3~ shoulder 24. Inw~rdly Of tlle shoul(J-~r 24, a rib or raise(3 portion 32 is provicled which fits within the slot 30 in the barrel as best scen in l~`ig. 6. This arrangcment of interfitting por-t ions enables rotation of the latch member 4 within the cylindrical member 2 while serving to retain the two components in their assembled relation.
In assembly, the latch member 4 is slid into the barrel member 2 with the members substantially in the position shown in Fig. 2, so that the rib 32 slides over the end of the finger 28. Once the inner member is in place, spring 20 is fitted between the actuator 18 and the outer member 10 2. The spring 20 not only biases the inner member to a position so as to retain the key hooks 8 within the assembly but also urges the latch to its stop position within the barrel as illustrated in Figs. 1 and 6 wherein the rib 32 and shoulder 24 of the latch member 4 interengage with the slot 30 and finger 28 of the barrel 2.
For the inner member to subsequently be removed from the outer member, it is necessary to remove the spring 20 and all the key hooks and further necessary to depress the actuator fully. Thus. the chances of inadvertent release of the inner member are remote.
In operation of the key head, the user need merely depress 20 actuator 18 to align the recesses 16 and the openings 6 that he may manu-- ally urge the head 7 of the key hook 8 longitudinally of the member 2, ' through the throat 5, into or out of the registered recesses and openings 16 and 6 to insert or remove the key hook from the key head. Frr the key hook to be removed, it must be disposed in an attitude extending substan-tially radially outwardly from the member 2. The remaining key hooks in the assembly will invariably be retained by the key head until the operator : urges the key hooks out of their respective slots 4 and into their respective aligned recesses 16 and openings 6. Upon release of the actuator 18, the spring 20 causes the inner member 12 to snap to a position in which the 30 openings 6 and the recesses 16 are in non-aligned relationship.
1()8~
1t is ull1ikely tl-at a key hook would be inadvcrtently rcl~ ;( d from tlle device of thc prcsent invention bccause (1) the recesse~ 16 .Ind openings 6 must be aligned, against spring pressure, by an operator before a key hook may be withdrawn, (2) the width sizes of the slots 4 and the channels 5 are substantially equal, preventing a combination of open spaces sufficient to permit undesirable escape of the key hook and (3) even after the openings 6 and the recesses 16 are alignedJ the size of the heads 7 ;; have only a small clearance with openings 6 and the key hook must be - held in a given position extending radially outwardly from the cylinder 2 10 for removal of the key hooks, and (4) the openings 6 are offset from oppos-ite ends of their respective slots, and preferably at an angle normal to the , flange lO, so that the key hooks would not be inclined to "dwell" at the . location of the openings.
It is to be understood that the present invention is by no means . limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modifications or equivalents within the scope of the disclosure.
.~
,,.
- An inner member or cylindrical latch 12 (Fig. 2) is disposed 30 within the outer member 2 and has a series of longitudinally spaced, arcuate 108~ 8 grooves or slots 14, c.lcll in commlmication with an enlarged r~cesf~ 16 ~;~ which is longitudinally offset there~rom. The grooves 14 in latch 12 arein alignment with the slots 4 in the~ barrel 2. The latch member recesses 16 are adapted to be aligned with the outer barrel member openings 6. The latch member 12 is rotatable within the barrel member 6 to selectively align the recesses 16 with the openings 6, thereby to permit entry or removal of a key hook 8. The inner member 12 may be formed of any suitable material but it has been found preferable to employ a molded syn-thetic plastic resin for long wearing operation in a metal barrel 2. This 10 combination of plastic latch and metal barrel also provides for smooth quiet operation and a low coefficient of friction between the bearing sur-faces of these relatively rotatable components.
- . The inner member 12 is provided at one end with actuator 18 '- which is biased by a coil spring 20 to a position in which the recesses 16 are out of alignment with the openings 6. A shoulder or abutment 24 is formed in the member 4 for engaging the barrel to serve as a stop for limiting rotation of the member within the barrel 2. Accordingly, to . release a key hook 8 from the key case head, it is necessary for an operator to depress the actuator 18 against the pressure of the spring 20 ` 20 to rotate the inner member 12 to its stop position in which the recesses 16 are in alignment with the openings 6.
The openings 6 are offset from opposite ends of their respective ~ slots 4 enabling the key hooks to tumble toward one end or the other of the : slots 4 over an arc of about 180. Preferably, the axes of the openings 6 ~ are disposed at angles substantially normal to the plane of the flange por-- tion 10.
`- Latch member 4 is retained within the barrel member 2 by ~; means of upwardly extending finger or lug 28 disposed at one end of the barrel and defining with the adjacent cylindrical portion of the barrel an ; 30 upwardly opening recess 30. The upper edge of the latch member 4 has a reduced radius wllicll terll)in;ltes ;3~ shoulder 24. Inw~rdly Of tlle shoul(J-~r 24, a rib or raise(3 portion 32 is provicled which fits within the slot 30 in the barrel as best scen in l~`ig. 6. This arrangcment of interfitting por-t ions enables rotation of the latch member 4 within the cylindrical member 2 while serving to retain the two components in their assembled relation.
In assembly, the latch member 4 is slid into the barrel member 2 with the members substantially in the position shown in Fig. 2, so that the rib 32 slides over the end of the finger 28. Once the inner member is in place, spring 20 is fitted between the actuator 18 and the outer member 10 2. The spring 20 not only biases the inner member to a position so as to retain the key hooks 8 within the assembly but also urges the latch to its stop position within the barrel as illustrated in Figs. 1 and 6 wherein the rib 32 and shoulder 24 of the latch member 4 interengage with the slot 30 and finger 28 of the barrel 2.
For the inner member to subsequently be removed from the outer member, it is necessary to remove the spring 20 and all the key hooks and further necessary to depress the actuator fully. Thus. the chances of inadvertent release of the inner member are remote.
In operation of the key head, the user need merely depress 20 actuator 18 to align the recesses 16 and the openings 6 that he may manu-- ally urge the head 7 of the key hook 8 longitudinally of the member 2, ' through the throat 5, into or out of the registered recesses and openings 16 and 6 to insert or remove the key hook from the key head. Frr the key hook to be removed, it must be disposed in an attitude extending substan-tially radially outwardly from the member 2. The remaining key hooks in the assembly will invariably be retained by the key head until the operator : urges the key hooks out of their respective slots 4 and into their respective aligned recesses 16 and openings 6. Upon release of the actuator 18, the spring 20 causes the inner member 12 to snap to a position in which the 30 openings 6 and the recesses 16 are in non-aligned relationship.
1()8~
1t is ull1ikely tl-at a key hook would be inadvcrtently rcl~ ;( d from tlle device of thc prcsent invention bccause (1) the recesse~ 16 .Ind openings 6 must be aligned, against spring pressure, by an operator before a key hook may be withdrawn, (2) the width sizes of the slots 4 and the channels 5 are substantially equal, preventing a combination of open spaces sufficient to permit undesirable escape of the key hook and (3) even after the openings 6 and the recesses 16 are alignedJ the size of the heads 7 ;; have only a small clearance with openings 6 and the key hook must be - held in a given position extending radially outwardly from the cylinder 2 10 for removal of the key hooks, and (4) the openings 6 are offset from oppos-ite ends of their respective slots, and preferably at an angle normal to the , flange lO, so that the key hooks would not be inclined to "dwell" at the . location of the openings.
It is to be understood that the present invention is by no means . limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modifications or equivalents within the scope of the disclosure.
.~
,,.
Claims (8)
1. Key case head comprising a tubular, generally cylindrical outer member having longitudinally spaced slots extending circumferentially thereof, each slot communicating with a longitudinally offset opening, each of said slots being adapted to retain a key hook having an enlarged head for movement therealong, each of said offset openings being adapted to enable said head to pass therethrough, said slots and offset openings extending through the wall of said tubular member, and a solid bar of generally circular cross section disposed within said tubular member, the outer surface of said bar having a recessed configuration, one recessed portion being in alignment with said slots and the other recessed portion being selectively registrable with said openings through said tubular member, said bar being rotatable to selectively align said other recessed portion with said openings to permit insertion and removal of said key hook.
2. The invention according to Claim 1 in which said bar is provided with an actuator for rotation of said bar relative to said first member.
3. The invention according to Claim 1 in which each of said openings is spaced from opposite ends of its respective slot and in which the underside of said head includes a flange portion for attachment to a key case.
4. The invention according to Claim 1 in which each slot of said tubular member is in communication with said opening by way of a throat portion having a width substantially equal to the width of said slot but less than the diameter of said opening.
5. A key case head according to Claim 1 in which said bar includes additional recessed and non-recessed portions, said tubular member includes lugs and recesses complemental to and adapted to interengage said additional recessed and non-recessed portions of said bar to retain said bar and outer members in assembled relation and to permit relative rotation of said bar and outer member.
6. The invention according to Claim 2 in which said actuator is spring biased to a position in which the other recessed portions of said bar are circumferentially displaced from the opening in the tubular member.
7. The invention according to Claim 2 in which said tubular member is metallic and in which said bar is a synthetic plastic molding.
8. The invention according to Claim 3 in which said openings are disposed approximately diametrically opposite said flange portion.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US803,301 | 1977-06-03 | ||
| US05/803,300 US4086796A (en) | 1977-06-03 | 1977-06-03 | Key case head |
| US05/803,301 US4085602A (en) | 1977-06-03 | 1977-06-03 | Key case head |
| US803,300 | 1977-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086268A true CA1086268A (en) | 1980-09-23 |
Family
ID=27122569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA297,906A Expired CA1086268A (en) | 1977-06-03 | 1978-02-28 | Key case head |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU511421B2 (en) |
| CA (1) | CA1086268A (en) |
| CH (1) | CH619849A5 (en) |
| DE (1) | DE2809088A1 (en) |
| FR (1) | FR2392624A1 (en) |
| GB (1) | GB1583639A (en) |
| MX (1) | MX146023A (en) |
| NZ (1) | NZ186593A (en) |
| PH (1) | PH17255A (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1904354A (en) * | 1930-09-08 | 1933-04-18 | Buxton Inc | Key case |
| US2197217A (en) * | 1938-10-03 | 1940-04-16 | Geller Isaac | Key support and holder therefor |
| US2628492A (en) * | 1950-06-21 | 1953-02-17 | Scovill Manufacturing Co | Key retainer |
| US2709358A (en) * | 1952-12-18 | 1955-05-31 | Buxton Inc | Key hanger support for key cases |
| FR1111627A (en) * | 1954-09-17 | 1956-03-02 | Amiet & Hofmann | Keychain rack |
| US3176490A (en) * | 1963-06-07 | 1965-04-06 | Scovill Manufacturing Co | Key loop holder |
| FR1597712A (en) * | 1968-12-05 | 1970-06-29 | ||
| US3703822A (en) * | 1971-08-09 | 1972-11-28 | Prentice Corp | Key holder |
-
1978
- 1978-02-16 MX MX17245278A patent/MX146023A/en unknown
- 1978-02-28 CA CA297,906A patent/CA1086268A/en not_active Expired
- 1978-03-01 GB GB803778A patent/GB1583639A/en not_active Expired
- 1978-03-01 NZ NZ18659378A patent/NZ186593A/en unknown
- 1978-03-02 DE DE19782809088 patent/DE2809088A1/en not_active Withdrawn
- 1978-03-02 AU AU33746/78A patent/AU511421B2/en not_active Expired
- 1978-03-06 CH CH236878A patent/CH619849A5/en not_active IP Right Cessation
- 1978-03-06 FR FR7806342A patent/FR2392624A1/en active Granted
- 1978-04-05 PH PH20979A patent/PH17255A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2809088A1 (en) | 1978-12-14 |
| FR2392624A1 (en) | 1978-12-29 |
| CH619849A5 (en) | 1980-10-31 |
| AU511421B2 (en) | 1980-08-21 |
| FR2392624B1 (en) | 1984-08-10 |
| GB1583639A (en) | 1981-01-28 |
| AU3374678A (en) | 1979-09-06 |
| PH17255A (en) | 1984-07-03 |
| MX146023A (en) | 1982-05-03 |
| NZ186593A (en) | 1981-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |