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Expired Canadian patentCanada

Earthquake resistant enclosure for electronic equipment

CA 2247535 C · Owner: Vaning, Barry R. · Inventors: Gemra, Richard J.; Murphy, John A.; Kluge, Richard G.

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 unitized monocoque enclosure for housing electronic equipment as in a , communications system central office has side (10, 11), top (12) and bottom (13) panels of corrugated metal. The panels comprise a continuous envelope for the structure and themselves constitute the structural support for electronic equipment shelves (33) and the electronic equipment (34) mounted thereby which shelves are supported by screw members (35) directly into a corrugation of the side panels (10, 11). No additional uprights frame supports or braces , are utilized. The resultant structure is both simple to fabricate and achieves improved earthquake resistance.

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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 November 4, 1996 and granted April 30, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 4, 2018.
  • 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 4, 1996
GrantedApril 30, 2002
Term endedNovember 4, 2016
Patent numberCA 2247535 C
Classification (IPC)H05K5/02 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedNov 4, 1996Patent grantedApril 30, 2002Term endedNov 4, 2016

Sources & verification

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