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Expired Canadian patentCanada

Hub assembly

CA 1112009 A · Owner: Firestone Tire & Rubber Company (The) · Inventors: Vaishnav, Dolar H.

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

Hub disassembly apparatus including a base compri-, sing first and second spaced portions first and second guide, rod members respectively mounted on the first and second portions of the base and extending toward each other in axial alignment and terminating short of each other first and second, slide carriages mounted respectively on the first and second guide rod members and each slide carriage being adapted to move between retracted inoperative positions and forward operative positions. The first and second slide carriages comprises respectively first and second locator shafts which shafts are adapted to enter the bore in a hub assembly to locate the hub assembly both axially and …

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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 November 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 28, 1980
GrantedNovember 10, 1981
Term endedNovember 10, 1998
Patent numberCA 1112009 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedOct 28, 1980Patent grantedNov 10, 1981Term endedNov 10, 1998

Sources & verification

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