Conductorless and contactless transmission unit for electrical signals and power into rotation applications
CA 2250610 A1 · Owner: Roeder, Juergen · Inventors: Roeder, Juergen; Gesche, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device for contact-free transfer of electrical signals between components rotating relative to each other in particular in a steering wheel, between steering column assembly and steering wheel with an electrical circuit, carrier with signal transmission and signal reception elements said carrier is on, the stator-side and an electrical circuit carrier with signal transmission and signal reception elements, said support is on the rotor-side wherein the stator-side and rotor-side electrical circuit carriers are axially or radially adjacent to each other with their signal transmission and signal reception elements and thesignal transmission and signal reception elements of the adjacent …
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 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2020.
- 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.