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Expired Canadian patentCanada

Electronic apparatus shelter

CA 1110748 A · Owner: D.S.D.P. S.P.A. · Inventors: Ghiraldi, Alberto

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

The present invention provides a shelter for the protection of electronic apparatus from the surrounding exterior environment, said shelter comprising: a closed box-like structure defining an interior space for housing electronic apparatus the, exterior of said box-like structure being exposed to the surrounding exterior environment; said box-like structure having walls including thermal resistance means for decreasing the amount of heat transferred from said exterior environment through said box-like structure into said interior space when the temperature of said exterior environment is higher than the temperature of said interior space; said box-like structure having in said interior …

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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 October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
  • 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 11, 1978
GrantedOctober 13, 1981
Term endedOctober 13, 1998
Patent numberCA 1110748 A
Classification (IPC)H05K7/20 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedOct 11, 1978Patent grantedOct 13, 1981Term endedOct 13, 1998

Sources & verification

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