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Expired Canadian patentCanada

Segmented guide eye

CA 1062235 A · Owner: Spider Staging · Inventors: Fisher, Harry S.; Fisher, Sidney 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

Abstract of the Disclosure A plurality of ring members each having a hard metal inner ring portion, a concentric elastomeric outer ring portion and a layer of elastomeric material bounding at least one radial face, are held by a cylindrical member in a stacked relation with the open centers of the ring members aligned. A pair of end plates, each having a wire rope aperature aligned with the open centers of the ring members are secured together, by a plurality of fasteners thereby retaining the cylindrical member between them. When a tensioned wire rope or the like passing through the open centers of the ring members bears sideways against the hard metal inner ring portions the, elastomeric …

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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 September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 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—
GrantedSeptember 11, 1979
Term endedSeptember 11, 1996
Patent numberCA 1062235 A
Classification (IPC)B66D1/36 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 11, 1979Term endedSep 11, 1996

Sources & verification

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