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Expired Canadian patentCanada

Electric fuse

CA 383545 A · Owner: Canadian Line Materials Limited · Inventors: William O. Schultz

CIPO record

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 August 22, 1939. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 22, 1956.
  • 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—
GrantedAugust 22, 1939
Term endedAugust 22, 1956
Patent numberCA 383545 A
Classification (IPC)H02P29/68 +2 more

Timeline

Timeline From CIPO dates

194019421944194619481950195219541956Patent grantedAug 22, 1939Term endedAug 22, 1956

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.