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Expired Canadian patentCanada

Infrared camouflage system

CA 1237189 A · Owner: Grumman Aerospace Corporation · Inventors: Attard, Salvatore; Bilenas, Jonas; Kosson, Robert

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

11, Title of the Invention: INFRARED CAMOUFLAGE SYSTEM Names of Inventors: Robert Kosson, Jonas Bilenas Salvatore Attard and Theodore Hilgeman ABSTRACT OF THE DISCLOSURE, Military mechanical field equipment such as an, electrical generator, is camouflaged from airborne IR detection by enclosing the equipment in a double-walled enclosure having hollow walls through which air is forced to flow. By adjusting the air flow in the enclosure the, radiance from the enclosure can be made the same as its immediate surroundings. A dual temperature sensor senses temperature differences between the enclosure surface and the surroundings and varies the air cooling accordingly until thermal balance is …

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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.

Why it's free to use

  • Granted May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 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.
FiledApril 16, 1985
GrantedMay 24, 1988
Term endedMay 24, 2005
Patent numberCA 1237189 A
Classification (IPC)F41H3/02 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedApril 16, 1985Patent grantedMay 24, 1988Term endedMay 24, 2005

Sources & verification

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