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Expired Canadian patentCanada

Insect repellant

CA 865069 A · Owner: Shaw, Donald W. · Inventors: Shaw, Donald W.

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 March 2, 1971. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 1988.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 1967
GrantedMarch 2, 1971
Term endedMarch 2, 1988
Patent numberCA 865069 A
Classification (IPC)A01N37/00 +2 more

Timeline

Timeline From CIPO dates

1968197119741977198019831986Application filedMay 17, 1967Patent grantedMarch 2, 1971Term endedMarch 2, 1988

Sources & verification

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