Temperature control for a vehicle grip surface
CA 2444325 C · Owner: Kernohan, David Ian · Inventors: Livingstone, David Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic system and method for warming a grip surface of a vehicle including an electrical power source; a resistive heating element mounted to the grip, surface; an automatic temperature controller having a switch electrically connected, in series between the power source and the heating element for switching power on, and off to the heating element in response to a temperature feedback signal; and, a, temperature sensor electrically connected to the temperature controller for providing, the temperature feedback signal. The temperature sensor is mounted on the grip surface at an interface between the grip surface and an operator's hand. The system has particular application for …
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 October 3, 2003 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 3, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2025.
- 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.