Expired Canadian patentCanada
Wedge lock for pocket knife blade
CA 1328990 C · Owner: Lemaire, Denis · Inventors: Lemaire, Denis
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wedge-shaped arrangement for retracting a leaf spring is positioned in abutment against the tang of a cutting knife. The retraction of the leaf spring is produced by a sliding rod which engages the wedge and pulls on the leaf spring.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 11, 1988
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1328990 C
Classification (IPC)B26B1/08 +1 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.