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Expired Canadian patentCanada

Connector assemblies for optical fibres

CA 1105750 A · Owner: Siemens Aktiengesellschaft · Inventors: Kunze, Dieter

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to a disconnectable connector assembly for optical fibres. The optical fibres are centrally arranged in plug members, and are placed in axially abutting relationship inside the bore of a centering sleeve provided with longitudinal apertures. The sleeve nuts and the centering sleeve are provided with threads affording upon contact and, further screwing movement of the two plug parts an inward radial force, centering and holding the plug parts. The disconnectable assembly has little tolerance is the area of the fibre junction minimizing losses, and simplifies, the manner of centering and locking the fibres during the coupling operation.

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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 July 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 1998.
  • 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 19, 1978
GrantedJuly 28, 1981
Term endedJuly 28, 1998
Patent numberCA 1105750 A
Classification (IPC)G02B6/38

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMay 19, 1978Patent grantedJuly 28, 1981Term endedJuly 28, 1998

Sources & verification

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