Carburetor
CA 2001176 A1 · Owner: Keating, Malcolm · Inventors: Keating, Malcolm; Keating, Malcolm; Devine, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Designate Figure 3, The invention provides a carburetor, comprising a main body portion defining a carburetor air intake means (45); a throttle bore chamber (31); a choke bore chamber (30); a housing defining a first or metering chamber (15) and a second chamber (18a); a metering diaphragm (17) disposed between the metering chamber (15) and the second chamber (18a); a vent means for said second chamber (18); a fuel inlet valve (8) for enabling fuel to enter the metering chamber (15); control means for the inlet valve (8); and a fuel discharged means in fluid communication with the metering chamber (18a); the control means includes the metering diaphragm (17) so that, in use movement of the, …
Read the whole patent
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 October 20, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2011.
- 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.