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Expired Canadian patentCanada

Optical connector

CA 1312756 C · Owner: Bell-Northern Research Ltd. · Inventors: Kwa, Peter Tjing Hak

CIPO record

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

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Abstract From the Canadian patent

An optical connector comprises two optical connector bodies, each carrying an optical element such as an optical fiber, a lens, an optical source or an optical detector. Each optical connector body has a guide formation extending in a direction transverse to the optical axis of its respective optical element and a stop means extending in a direction transverse to its respective guide formation. Sliding engagement of the guide formations guides relative movement of the connector bodies in a direction transverse to the optical axes to bring the stop means into engagement and the optical axes into alignment. The optical connector is particularly suited to optical interconnection of circuit …

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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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 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.
FiledJune 15, 1988
GrantedJanuary 19, 1993
Term endedJanuary 19, 2010
Patent numberCA 1312756 C
Classification (IPC)G02B6/36 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJune 15, 1988Patent grantedJan 19, 1993Term endedJan 19, 2010

Sources & verification

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