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Expired Canadian patentCanada

Electronic latching networks

CA 844751 A · Owner: Electrohome Limited · Inventors: Szabo, John

CIPO record

Overview

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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 June 16, 1970. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 1987.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 6, 1967
GrantedJune 16, 1970
Term endedJune 16, 1987
Patent numberCA 844751 A
Classification (IPC)H03K19/20

Timeline

Timeline From CIPO dates

1968197019721974197619781980198219841986Application filedNov 6, 1967Patent grantedJune 16, 1970Term endedJune 16, 1987

Sources & verification

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