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Expired Canadian patentCanada

Boat trailer with pivotal keel and hull supports

CA 1292446 C · Owner: Godbersen, Byron L. · Inventors: Godbersen, Byron L.

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 boat trailer having a frame wheel unit, an, adjustably mounted winch unit including a keel engaging member, an elongated second keel engaging member pivotally mounted on the frame rearwardly of the winch unit and self-centering to engage a longitudinal length of the keel a pair of fender units each of which is reversibly mountable on either side of the frame for protecting a wheel a pair, of unitary post load guide brackets slidably engaged with the rear of the frame members and each supporting both a post guide and a rear taillight, a cross member pivotally and longitudinally adjustably mounted at each end to a frame member, and a pair of bunks and a pair of aligned resiliently mounted …

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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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 20, 1988
GrantedNovember 26, 1991
Term endedNovember 26, 2008
Patent numberCA 1292446 C
Classification (IPC)B60P3/10

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJune 20, 1988Patent grantedNov 26, 1991Term endedNov 26, 2008

Sources & verification

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