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Expired Canadian patentCanada

Combined golf ball tether and anchor structure

CA 1055982 A · Owner: Sakamoto, Minoru · Inventors: Sakamoto, Minoru

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

An upright standard is provided including structure carried by its lower end for support of the standard from a support surface from which a golf ball may be driven. A low horizontally outwardly projecting arm is stationarily supported from the lower end portion of the standard at an elevation spaced above the lower end of the standard. An elongated flexible tether member has one end thereof anchored to the outer free end portion of the arm and a ball simulating a golf ball is anchored to the other end of the tether member. The length of the tether member is equal to at least one and one-half the effective length of the arm and the standard projects above the arm a distance equal to at …

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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 June 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 5, 1979
Term endedJune 5, 1996
Patent numberCA 1055982 A
Classification (IPC)A63B69/36 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 5, 1979Term endedJune 5, 1996

Sources & verification

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