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Expired Canadian patentCanada

Wirelock protector

CA 1297690 C · Owner: Kuo, Wen Tai · Inventors: Kuo, Wen Tai

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

This invention relates to a wirelock protector and in particular to one including a lock, a lock housing a, latch, a latch housing, a wire and a lock shell. The lock housing is to prevent dirt or water from permeatng into the lock. The latch housing has the same function as to prevent dirt or water from permeating into the latch. The lock shell is arranged to fixedly mount the lock housing at a fixed placed to prevent the lock from hitting and damaging the locked body. - 10 -

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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
  • 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 26, 1987
GrantedMarch 24, 1992
Term endedMarch 24, 2009
Patent numberCA 1297690 C
Classification (IPC)E05B73/00

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 26, 1987Patent grantedMarch 24, 1992Term endedMarch 24, 2009

Sources & verification

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