Adjustable bolt for tubular locksets
CA 1269121 C · Owner: Shen, Chao Ching · Inventors: Shen, Chao Ching
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adjustable bolt for deadbolt locksets which has a moveable catch to be inserted into a first indicator hole or a second indicator hole and a plunger pin to be inserted into a first slot or second slot of a adjustable slot. When the moveable catch and plunger pin are set at the first position, the lockset can be used for 70 mm backset. When the moveable catch and plunger pin link are set at the second position the, lockset is used for 60 mm backset.
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 15, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 2007.
- 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.