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Expired Canadian patentCanada

Clamp for attachment of a bracket to a vertical pole

CA 1323744 C · Owner: Bogdanow, Anatol L. · Inventors: Bogdanow, Anatol 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 clamp for attaching a hydro pole or a telephone pole to brackets. The brackets maintain the pole vertically on rocky ground or on ground beneath which sewer pipes or electrical conduits are located. The clamp has a link having a hook at one end. The other end of the link is threaded. A band extends circumferentially of the pole and passes through a slot formed in the bracket. The band has a pair of apertures formed in it. The hook is received in one of the apertures and the threaded end portion of the link is received in the other aperture. A nut is turned on the threaded end and prevents the threaded end from being removed from the aperture.

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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 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1986
GrantedNovember 2, 1993
Term endedNovember 2, 2010
Patent numberCA 1323744 C
Classification (IPC)E04H12/08 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 14, 1986Patent grantedNov 2, 1993Term endedNov 2, 2010

Sources & verification

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