Expired Canadian patentCanada
Smoke stacks in particular for land vehicles and ships
CA 484776 A · Owner: Societe Anonyme Forges Et Chantiers De La Mediterranee · Inventors: Jacques Valensi
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead 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 8, 1952. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 1969.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 8, 1952
Term endedJuly 8, 1969
Patent numberCA 484776 A
Classification (IPC)B63B1/00 +2 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.