Expired Canadian patentCanada
Rotary movement mechanism
CA 183090 A · Owner: The Dominion Of Canada Postage Stamp Vending Compny, Limited · Inventors: Hoose, Truman Morgan
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 March 19, 1918. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 1935.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 24, 1917
GrantedMarch 19, 1918
Term endedMarch 19, 1935
Patent numberCA 183090 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.