Expired Canadian patentCanada
Method of forming curved articles from celluform board
CA 77779 A · Owner: Hinde, James J. · Inventors: Hinde, James J.
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 October 14, 1902. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 1919.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 11, 1901
GrantedOctober 14, 1902
Term endedOctober 14, 1919
Patent numberCA 77779 A
Classification (IPC)—
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.