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Expired Canadian patentCanada

Dead-end for fiber optic shield cable

CA 1292902 C · Owner: Sherman, Thomas Eugene · Inventors: Sherman, Thomas Eugene; Champa, Raymond Joseph

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 dead end appliance for a fiber optic cable includes a housing having an elongated opening therethrough. The elongated opening is angularly disposed with respect to a longitudinal axis of the housing and opposite to the lay angle of helical retaining rods surrounding the cable. This conformation assures full capture of the retaining rods within the housing. Strengthening ribs for the housing are disposed substantially normal to the housing longitudinal axis. Additionally means for grounding the assembly is integrally formed with the housing, and either a U-shaped member or a pair of clevis members may be used for attaching the housing to an associated support.

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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 15, 1987
GrantedDecember 10, 1991
Term endedDecember 10, 2008
Patent numberCA 1292902 C
Classification (IPC)G02B6/44

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMay 15, 1987Patent grantedDec 10, 1991Term endedDec 10, 2008

Sources & verification

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