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Expired Canadian patentCanada

Fishing device

CA 1107956 A · Owner: Holstein, Frederick W. · Inventors: Holstein, Frederick W.

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

A fishing device having a body and a pair of wings extending outwardly from each side of the body and angled upwardly relative thereto to provide thrust surfaces and a pair of deflectors associated with each wing including a front deflector and a rear deflector for initiating alternate rising and diving of the fishing device as the angle of a connecting bail changes relative to the body at different levels in the water because of the connection thereof to a moving tow line. Additionally bimetal con-, trolled weight structure is associated with the body and selectively operable to control the rise and dive limits of the fishing device to a range of water temperatures regardless of the angle …

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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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledJuly 31, 1978
GrantedSeptember 1, 1981
Term endedSeptember 1, 1998
Patent numberCA 1107956 A
Classification (IPC)A01K85/00 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJuly 31, 1978Patent grantedSep 1, 1981Term endedSep 1, 1998

Sources & verification

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