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Expired Canadian patentCanada

Hinge mechanism for foldable electronic apparatus

CA 2079388 C · Owner: Kobayashi, Fumiyuki · Inventors: Kobayashi, Fumiyuki

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 hinge mechanism for a foldable electronic apparatus has a first and a second casing. A first and a second cylindrical hinge are provided on the first and second casings respectively. The second hinge is formed with lugs each having two contact faces having angles .alpha. and .beta. (smaller than .alpha.). A locking member is received in the first hinge and provided with recesses each contacting one of the lugs at either of the angles .alpha. and .beta. depending on the direction of rotation i.e. the, folding direction or the unfolding direction.

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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

  • Filed September 29, 1992 and granted April 8, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 29, 1992
GrantedApril 8, 1997
Term endedSeptember 29, 2012
Patent numberCA 2079388 C
Classification (IPC)H05K5/00 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedSep 29, 1992Patent grantedApril 8, 1997Term endedSep 29, 2012

Sources & verification

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