Adjustable torque/horsepower exhaust control system
CA 2092231 A1 · Owner: Barth, Randolph S. · Inventors: Barth, Randolph S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An automotive vehicle header system is described as incorporating a collector having pipes of inside diameter slightly greater than the outside diameter of the pipes exiting from the engine heads which are coupled to it. This permits a removable insertion of one set of pipes into the other, for ease of installation and later servicing of the engine and vehicle and allows for a slid-, ing of the collector towards or away from, the engine as desired, to controllably adjust available torque and/or horsepower. In a preferred embodiment of the invention, the lengths for the collector pipes are individually selected so as to equalize the total lengths of all pipes from …
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 23, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 2015.
- 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.