Expired Canadian patentCanada
Door-bolt set
CA 1252134 A · Owner: Wimmer, Hermann · Inventors: Wimmer, Hermann
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 door set has a bolt-guide sleeve which is adjustably connected to the escutcheons on which the doorknobs are journaled by a pair of toothed elements bridging the escutcheons and passing through slots in the sleeves which have complementarily toothed edges.
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 April 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 23, 1985
GrantedApril 4, 1989
Term endedApril 4, 2006
Patent numberCA 1252134 A
Classification (IPC)E05B15/00 +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.