Control means for electrically driven vehicules
CA 2133318 A1 · Owner: Dynamic Controls Limited · Inventors: Seed, Piers Henry; Glenn, Christopher John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
2133318 9322151 PCTABScor01, A modular control means for an electrically driven vehicle in which modules (2, 12-18) are interconnected by a serial data bus (10). One line (26) of the serial data bus (10) may be biased high or low by modules of the system (2, 12-18) upon detection of a fault. This is detected by kill means (45) of the modules (2 13-17), of the system which disables safety related functions of each module (2, 13-17), where applicable. Modules (2 13-17) other than , the remote control module (12 18) may include wake-up means (52, 20) which supply power to the modules (2 13-17) at start up, when the data line (26) is biased high. The modules (2 12-18), preferably operate as …
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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 April 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 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.