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Expired Canadian patentCanada

Hydraulic control package for a marine steering system

CA 1193174 A · Owner: Teleflex Incorporated · Inventors: Rump, Martin

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Abstract From the Canadian patent

Hydraulic control package for a marine steering system. ABSTRACT, A hydraulic control package or assembly (30) for use in a marine steering system (10) having a steering helm pump (12) with port (14) and starboard (16) fluid outlets and a return inlet (18) for hydraulically actuating a piston (22) in a hydraulic cylinder (20) having port (24) and starboard (26) inlets for moving the piston (22) back and forth in the cylinder (20) in response to fluid delivered from the helm pump (12). A fluid reservoir (32 34, 36) is closed and pressurized with air and is defined by an open ended tube (32) having a cap (34) sealing the top end of the tube (32) and a valve body (36) sealing the bottom end of …

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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 September 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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.
FiledJanuary 19, 1983
GrantedSeptember 10, 1985
Term endedSeptember 10, 2002
Patent numberCA 1193174 A
Classification (IPC)B63H25/22

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJan 19, 1983Patent grantedSep 10, 1985Term endedSep 10, 2002

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