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Expired Canadian patentCanada

Crankcase breather oil collector for motorcycles

CA 2326256 C · Owner: Wilson, Robert L. · Inventors: Wilson, Robert L.

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 crankcase breather oil collector serves to capture oil vapor mixed with crankcase blowby gases, and contain the oil vapor to preclude its exiting to the atmosphere and/or collecting on external machinery components. The device basically comprises a canister which communicates with the crankcase of a four stroke reciprocating internal combustion engine by a tube or line. Blowby gases and oil vapor mixed therewith are routed to the canister by the tube or line with the oil vapor cooling and falling out of suspension with the blowby gases to condense and collect as a liquid in the bottom of the canister. The blowby gases then exit the canister through a filtered vent or outlet. The outlet …

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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

  • Filed November 17, 2000 and granted January 21, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 17, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 17, 2000
GrantedJanuary 21, 2003
Term endedNovember 17, 2020
Patent numberCA 2326256 C
Classification (IPC)F01M13/00 +1 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedNov 17, 2000Patent grantedJan 21, 2003Term endedNov 17, 2020

Sources & verification

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