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Expired Canadian patentCanada

Curling stabilizer device

CA 2187238 C · Owner: Morris, Earle · Inventors: Morris, Earle

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 curling stabilizer device for attachment to a curling brush handle has a framemember which includes a generally linear handle graspable by the hand of a curling thrower and at least one structural member for spacing the handle from the curling brush at a distance suitable for gripping by a sliding thrower. A releasable gripping device encompasses the brush handle and fixedly attaches the frame member to the brush handle. The frame member is oriented relative to the gripping device so that when the gripping device is in gripping engagement with the brush handle the linear handle, extends in line with the brush handle.

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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

  • Filed October 7, 1996 and granted December 26, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 1996
GrantedDecember 26, 2000
Term endedOctober 7, 2016
Patent numberCA 2187238 C
Classification (IPC)A63B67/14 +1 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedOct 7, 1996Patent grantedDec 26, 2000Term endedOct 7, 2016

Sources & verification

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