Caltalytic converter for a tailpipe including apparatus for relieving back pressure
CA 2249262 A1 · Owner: Timko, Mark · Inventors: Timko, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalytic converter (1030) for a tailpipe (22) which further reduces vehicle exhaust emissions from exhaust emission systems (10) and that will meet the more stringent emission requirements of state and federal government regulations. The tailpipe catalytic converter (1030) includes a ceramic or steel housing (32) of relative small size having a diameter in the range of , 1/2 inch to 8 inches and a length of 3/4 inches to 11 inches. The housing (32) includes a matrix core (34) of catalytic layered materials which react with the exhaust emission pollutants, such as NOx NMHC, HC and CO. These , pollutants are further reduced and oxidized by the catalytic converter (1030) in 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 March 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2019.
- 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.