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Expired Canadian patentCanada

Assembling flexible sleeve on shock absorbers or leveling struts

CA 1046740 A · Owner: Monroe Auto Equipment Company · Inventors: Meyer, Robert R.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and apparatus for assembling combination shock absorbers and leveling struts of the type comprising a telescopic direct acting shock absorber having a reciprocable piston and piston rod with, the piston rod carrying a cylindrical dirt shield which cooperates with a rolling or flexible diaphragm member extending between the body of the shock absorber and the dirt shield in defining a variable volume pressurizable chamber. The dirt shield is displaced relative to the shock absorber in response to the magnitude Or pressure maintained in the chamber whereby to selectively control the attitude between sprung and unsprung portions of a vehicle. The method and apparatus of the present …

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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 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 23, 1979
Term endedJanuary 23, 1996
Patent numberCA 1046740 A
Classification (IPC)B23P15/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 23, 1979Term endedJan 23, 1996

Sources & verification

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