Expired Canadian patentCanada
Lock
CA 1238499 A · Owner: Lowe & Fletcher Limited · Inventors: Herriott, Leslie V.
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 lock for operation by a magnetic key has some locking elements which are moved circumferentially from locking to releasing positions by the key and further locking elements which are moved axially by the key from locking to releasing positions.
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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 4, 1983
GrantedJune 28, 1988
Term endedJune 28, 2005
Patent numberCA 1238499 A
Classification (IPC)E05B47/00 +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.