A remote tyre pressure monitoring system
CA 2332805 A1 · Owner: Automotive Technologies Limited · Inventors: Leman, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a battery-powered tyre pressure sensor including a pressure transducer (10) for sensing a pressure of a tyre and providing a tyre pressure signal. The tyre pressure sensor is arranged to transmit the signal containing information about the tyre pressure of an associated vehicle tyre to a cab unit (1) via a transmitter (13) where it is displayed to a driver of the vehicle. The pressure sensor monitors the pressure of the tyre and provides the vehicle driver with early warning of any deflation, thereby improving safety as well as reducing tyre wear and improving fuel economy. A timer (19) is included to turn the tyre pressure sensor off when it is not …
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 May 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2021.
- 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.