Vehicular hill holder system
CA 1264346 C · Owner: Messersmith, William Kent · Inventors: Fulmer, Keith Harold; Messersmith, William Kent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brake booster (10, 210) connected to a control circuit (120) provides a system for the continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is accomplished by utilizing a control circuit (120) responsive to vehicular attitude clutch pedal position, and vehicular direction. The control circuit (120) is connected to the combination of a check valve and two-way solenoid valve (100 200) con-, nected to a movable wall brake booster (10 210). The, combination valve (100) is connected to a flexible hose (110) disposed interiorlly of the booster (10) and the, other end of the flexible hose (110) …
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
- Granted January 9, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 2007.
- 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.