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Expired Canadian patentCanada

Prestressed resilient compressor mount apparatus

CA 2232699 C · Owner: Rheem Manufacturing Company · Inventors: Jakobs, Diane M.; Rasmussen, Ronald J.; Tang, Punan

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

An elastomeric compressor mount has a hollow convex cylindrical head portion which is passed upwardly through a corresponding opening in a support foot portion of the compressor to place an annular portion of the foot in an annular mount groove which is disposed between its head portion and a larger cylindrical base portion of the mount. When a securement bolt is passed axially through a fastening opening in the mount and tightened into an underlying base pan opening, the convex mount head portion is downwardly and radially outwardly deformed to cause the annular foot portion to be resiliently squeezed between the head portion and the underlying base portion of the mount. In a second …

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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 March 19, 1998 and granted September 11, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 19, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 19, 1998
GrantedSeptember 11, 2001
Term endedMarch 19, 2018
Patent numberCA 2232699 C
Classification (IPC)F04D29/66 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMarch 19, 1998Patent grantedSep 11, 2001Term endedMarch 19, 2018

Sources & verification

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