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Expired Canadian patentCanada

Direct acting shutter

CA 483375 A · Owner: Canadian Kodak Company · Inventors: Carl C. Fuerst

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 May 20, 1952. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 1969.
  • 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—
GrantedMay 20, 1952
Term endedMay 20, 1969
Patent numberCA 483375 A
Classification (IPC)G03B9/08

Timeline

Timeline From CIPO dates

195319551957195919611963196519671969Patent grantedMay 20, 1952Term endedMay 20, 1969

Sources & verification

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