Device for securing a rotary lock-cylinder
CA 1307674 C · Owner: Keller, Ernst · Inventors: Keller, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bushing which is fixedly secured to a lock case by means of pins is placed against the rotary lock cylinder outside of the door. A similar bushing is mounted on the other side of the door panel. The rotary lock cylinder is permanently centered during assembly, by means of clamping members. The bushings enable to center and protect the rotary lock cylinder over its entire length and at the front thereof.
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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
- 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.