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Expired Canadian patentCanada

Golf practice device

CA 1310671 C · Owner: Brown, Edgar W. · Inventors: Brown, Edgar 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 narrow strip (15) of one component of "hook and loop" fastener material is detachably secured across the face (14, 14A) of any conventional golf club (10) covering the striking zone. A target object (16) is formed from the other component by forming a strip into a hollow circular ring and joining the ends by any conventional manner such as adhesive. The width is substantially narrower than the diameter and the diameter is substantially equal to the diameter of a golf ball. When the club strikes the target object the two components co-act to detachably secure one to the other so that the player can see the exact position of the engagement of the club head with the target object. The sound …

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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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2009.
  • 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 13, 1988
GrantedNovember 24, 1992
Term endedNovember 24, 2009
Patent numberCA 1310671 C
Classification (IPC)A63B69/36 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 13, 1988Patent grantedNov 24, 1992Term endedNov 24, 2009

Sources & verification

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