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Expired Canadian patentCanada

Resilient mounting

CA 1312587 C · Owner: Ingham, Peter Lawrence · Inventors: Ingham, Peter Lawrence

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 reinforced resilient mounting intended primarily to withstand compressive loading is of a tubular and interleaved construction comprising a pair of end plates and an intermediate annular plate which serves to stiffen a tubular elastomeric body provided between the end plates. A buffer member is secured to one of the end plates and extends longitudinally within the tubular body to lie normally free from contact with the tubular body. A protective cushioning layer provided between the buffer member and internal edge of the intermediate plate prevents direct contact between the buffer member and intermediate plate under transverse load. JRB/ML - PY 10486/10491

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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 January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2010.
  • 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 29, 1989
GrantedJanuary 12, 1993
Term endedJanuary 12, 2010
Patent numberCA 1312587 C
Classification (IPC)F16F1/54 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 29, 1989Patent grantedJan 12, 1993Term endedJan 12, 2010

Sources & verification

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