Aspirating device
CA 2441067 C · Owner: Geyer, Klaus · Inventors: Geyer, Klaus; Gerhardy, Reinhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aspirating device (26), in particular for the internal combustion engine in an engine-driven tool such as a chain saw or parting-off grinder etc. has an intake port (9) which comprises an intake port section (3) in the form of a carburettor (1). Mounted in the intake port section (3) in such a manner that it is able to pivot is a throttle valve (7 24, 37). Downstream of the throttle valve (7 24, 37) the intake port (9) is divided into an air duct (4) and a mixture duct (5) by a dividing wall (10 27, 44). A fuel jet (6) opens into the mixture duct (5). In order to supply a favourable ratio of fuel/air mixture to largely fuel-free combustion air to the internal combustion engine the flow …
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 September 15, 2003 and granted August 23, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2025.
- 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.