Auxiliary motor drive system
CA 2270209 A1 · Owner: Mitchell, Herman R. · Inventors: Mitchell, Herman R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An auxiliary motor drive system including a driving device (12) and an auxiliary motor (10). The driving device is powered by the engine (14) of a motor vehicle and in turn drives the auxiliary motor. The auxiliary motor in turn drives the drive shaft (52) of the motor vehicle thus allowing the , engine power output to be applied to the vehicle drive shaft while bypassing the vehicle's transmission (48). The driving device (12) can be a hydraulic pump, a compressor, or an electric generator while the auxiliary motor (10) , is a hydraulic motor a pneumatic motor, or an electric motor respectively.
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 July 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 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.