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Expired Canadian patentCanada

Connector for connecting electrical signal transmitting cable to a jack of audio or video equipment

CA 2135741 C · Owner: Sung, Allen L. · Inventors: Sung, Allen 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 connector for connecting electrical signal transmitting cable to a corresponding jack of audio or video equipment has a jack engaging socket having spring loaded gripping means for a jack member. The spring loaded gripping means comprise a number of parallel segments bowed inwardly from an inner wall of the socket. These segments are biassed outwardly when the socket is force fitted over a corresponding jack member. There may be a large number of segments, say from. Preferably the segments are angled to the axial direction of the connector.

Read the whole patent

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

  • Filed November 14, 1994 and granted February 25, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 14, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 1994
GrantedFebruary 25, 2003
Term endedNovember 14, 2014
Patent numberCA 2135741 C
Classification (IPC)H01R13/64 +1 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedNov 14, 1994Patent grantedFeb 25, 2003Term endedNov 14, 2014

Sources & verification

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