Expired Canadian patentCanada
Fire extinguisher
CA 185331 A · Owner: The Sypho-Chemical Sprinkler Corporation · Inventors: The Automatic Fire Extinguisher Company Of America; Brodton, Edward R.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
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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 2, 1918. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 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.
FiledJune 22, 1914
GrantedJuly 2, 1918
Term endedJuly 2, 1935
Patent numberCA 185331 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.