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Expired Canadian patentCanada

Traps for animals

CA 1106175 A · Owner: Lunn, Harlan C. · Inventors: Lunn, Harlan C.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention seeks to provide a humane trap which despatches trapped animals without pain or panic. The trap comprises a frame with a trap mechanism mounted in the frame and movable between set and sprung conditions. The mechanism defines in its set condition a collar presenting a desirable opening to a species of animal to be trapped and gauged to resist the passage of the shoulders of an animal of that species. The mechanism further comprises trigger means operatively associated with the collar to spring the trap mechanism in response to engagement of an animal's shoulders with the collar, and strike means operative on springing of the trap to strike across the plane of the collar …

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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 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 1979
GrantedAugust 4, 1981
Term endedAugust 4, 1998
Patent numberCA 1106175 A
Classification (IPC)A01M23/24 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedAug 31, 1979Patent grantedAug 4, 1981Term endedAug 4, 1998

Sources & verification

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