Cylinder locks and keys therefor
CA 1190388 A · Owner: Taboola Pty Limited · Inventors: Mills, Laurence P.; Preddey, Brian F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a key including providing a key blank of V-shaped transverse cross section so as to have two blade portions joined by a base portion. The method further includes forming teeth on the blade portions and then bending the blank to a substantially U-shaped transverse cross section.
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 July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.