Carburetor having extended prime
CA 2270786 C · Owner: Caruso, Nicholas J. · Inventors: Caruso, Nicholas J.; Klein, Thomas G.; Stenz, Dennis N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention involves a carburetor having an extended prime fuel chamber for gasoline engines. The carburetor includes a carburetor body having a throat a fuel bowl, a conduit extending from said fuel bowl to said throat a variable volume primer chamber communicating with said bowl through a priming passage and an extended prime fuel chamber. The extended prime fuel chamber delivers additional fuel from start-up through warm-up periods of the engine. The extended prime fuel chamber communicates with the throat extending to the engine and communicates with the bowl containing fuel. The extended prime fuel chamber is arranged such that after activation of a priming bulb, fuel from …
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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 May 5, 1999 and granted December 30, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 5, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.