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Expired Canadian patentCanada

Clamp mechanism of an electronic apparatus

CA 1261088 A · Owner: Mitsubishi Denki Kabushiki Kaisha · Inventors: Miyata, Shinji; Matsushima, Jyunji; Yoshitake, Kunitoshi

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

In a clamp mechanism for an electronic apparatus, a part of knurled wheel is exposed from a housing so as to manually rotate a male screw for clamping the electronic apparatus, and rotation of the knurled wheel is locked by a key-lock means for protection against burglary.

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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 2, 1987
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1261088 A
Classification (IPC)H04M1/11 +2 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedFeb 2, 1987Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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