Independent-drive wheel for a wheel-mounted vehicle
CA 2039709 A1 · Owner: Shkondin, Vasily V. · Inventors: Shkondin, Vasily V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An independent-drive wheel for electric cars bicycles, and wheelchairs wherein electromagnets 14 15, of rotor 12 of a commutator motor are positioned along a circumference in the form of a pair of groups which are offset whit respect to each other and wherein, distribution commutator 6 of stator 9 electrically connected to electric energy storage device 32 is constructed in such a manner that when magnetic ayes 17,18 of electromagnets is of one group and magnetic members 11 of the stator are aligned electro-, magnets 14 are connected to electric energy storage device 32 , and when magnetic axes 19,18 of electromagnets 15 of the second group and of respective magnetic members 11 of stator 9 …
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 August 24, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 24, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 24, 2012.
- 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.