Muffler and spark arrester
CA 2368685 A1 · Owner: Bombardier Recreational Products Inc. · Inventors: Bouffard, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A muffler is described with a housing having an input and an output. At least one plate is, disposed within the housing to divide it into at least a first and a second internal expansion, chamber. At least one tube is disposed through the plate the tube having , first and second ends with a bend therebetween, the bend altering an orientation of the second end of the tube so that, the second end faces an interior surface of the housing. The housing the , plate and the tube, establish a path for the exhaust between the input and the output. In addition, the first and second, internal expansion chambers cooperate to attenuate sound and the tube assists in sound, attenuation and/or affects …
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 January 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 7, 2024.
- 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.