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Expired Canadian patentCanada

Hydrostatic support structure

CA 1188657 A · Owner: Nikolaevsky Korablestroitelny Institut Imeni Admirala S.O. Makarova · Inventors: Alexeenko, Valery V.; Gerasimov, Sergei I.; Balandin, Ivan Y.

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

Abstract of the Disclosure A hydrostatic support structure wherein to move a sur-, face with a load disposed thereupon with respect to a bearing surface, a liquid cushion is provided due to a feeding of a liquid into an inner space defined by the bearing surface and a housing having a sealing member. Within the housing there is disposed a piston provided with its own sealing member which seals the gap between the housing and the piston, whereas the first sealing member defining the liquid cushion being formed along the perimeter of the inner space is rigidly secured to the housing of the support structure.

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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 June 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
  • 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 15, 1982
GrantedJune 11, 1985
Term endedJune 11, 2002
Patent numberCA 1188657 A
Classification (IPC)B60V1/18

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedApril 15, 1982Patent grantedJune 11, 1985Term endedJune 11, 2002

Sources & verification

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