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Expired Canadian patentCanada

Hermetic compressor assembly including torque reaction leaf spring means

CA 1107701 A · Owner: Trane Company Of Canada Limited · Inventors: Linnert, Peter J.

CIPO record

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Abstract From the Canadian patent

Title, HERMETIC COMPRESSOR ASSEMBLY, INCLUDING TORQUE REACTION LEAF SPRING MEANS, Inventor, Peter J. Linnert Abstract, A hermetic compressor assembly is disclosed wherein a motor-compressor unit is supported in a hermetically sealed chamber so as to permit at least limited rotation thereof about an axis which may coincide with the axis of the drive shaft of the compressor. In order to limit such rotation, at least a first leaf spring member is provided affixed to one of the interior wall of the chamber and the motor-compressor unit, which member cooperates with abutment means affixed to the other of said interior wall and motor compressor unit whereby upon ro-, tation of the …

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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 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.
FiledSeptember 28, 1979
GrantedAugust 25, 1981
Term endedAugust 25, 1998
Patent numberCA 1107701 A
Classification (IPC)F04B35/04 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 28, 1979Patent grantedAug 25, 1981Term endedAug 25, 1998

Sources & verification

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