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Expired Canadian patentCanada

Rotating frame animal trap with improved trigger

CA 1091444 A · Owner: Woodstream Corporation · Inventors: Conibear, Frank R.

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

An animal trap having two similar frames each having jaw forming sides and ends extending between the sides to support the jaws. The ends have a central portion in which the frames are pivotally engaged through adjacent ends for rotation about a common axis between set and closed positions and outer portions on each side of the central portion extending to the jaws. At least one actuator capable of rapidly and forcefully effecting the rotation is present. The actuator has two arms spring biased at one end so that the other ends, which terminate in rings encircling adjacent ends of both frames on opposite sides of the axis would, if unobstructed, move apart to a distance substantially …

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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 December 16, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 1997.
  • 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 24, 1977
GrantedDecember 16, 1980
Term endedDecember 16, 1997
Patent numberCA 1091444 A
Classification (IPC)A01M23/26

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedNov 24, 1977Patent grantedDec 16, 1980Term endedDec 16, 1997

Sources & verification

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