Expired Canadian patentCanada
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CA 99178 A · Owner: Ferguson Burrage, Donald · Inventors: Ferguson Burrage, Donald
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 May 22, 1906. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 1923.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 28, 1906
GrantedMay 22, 1906
Term endedMay 22, 1923
Patent numberCA 99178 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.