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Expired Canadian patentCanada

On the go gear shifter

CA 1291009 C · Owner: Murray Canada Inc. · Inventors: Stittle, Kenneth 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

On the go gear shifter for a small motorized apparatus such as a snow blower uses a gear shift handle movable along a slot and engageable in detent openings located on laterally opposed sides of the slot. An over-centre cam mechanism is provided to bias the handle into the detent openings. The arrangement is advantageous in permitting the detent openings associated with different gear ratios to be closely spaced together.

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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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 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.
FiledSeptember 5, 1989
GrantedOctober 22, 1991
Term endedOctober 22, 2008
Patent numberCA 1291009 C
Classification (IPC)F16H59/06 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 5, 1989Patent grantedOct 22, 1991Term endedOct 22, 2008

Sources & verification

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