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Expired Canadian patentCanada

Fireproof protection system for electronic equipment

CA 1238708 A · Owner: Hsieh, Shih-Yung · Inventors: Hsieh, Shih-Yung

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 fireproof cabinet system for electronic equipment including a wall shield with an outer metal layer that acts as a radiation shield, an inner support layer and an insulation layer. A water supply nozzle is mounted on to of the fireproof cabinet system for providing a continuous stream of cooling water on the cabinet shield for minimizing fire damage of the shield and also providing a temperature barrier for the electronic equipment. A forced air cooling system provides cool air from a supply located outside of the equipment room to the cabinet where the coolant air is ducted along the top and side walls of the cabinet in a sheath formed between the cabinet wall and the interior so that …

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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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 21, 1985
GrantedJune 28, 1988
Term endedJune 28, 2005
Patent numberCA 1238708 A
Classification (IPC)F24H3/00 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedOct 21, 1985Patent grantedJune 28, 1988Term endedJune 28, 2005

Sources & verification

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