Locking device
CA 1316361 C · Owner: Wolters, Harry · Inventors: Thorncraft, Irwin C.; Wolters, Harry; Holmes, Owen B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A locking device is provided which comprises a bolt provided with a handle mounting block and a handle for movement of the bolt, and a lever adapted to selectively engage the handle mounting block upon activation of an activation means. In a neutral mode, the lever allows free movement of the bolt, while in a locking mode and upon movement of the handle, the handle block bolt may be engaged by the lever, and, in a locked mode, the handle mounting block engaged by the lever substantially prevents any movement of the bolt.
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 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.