Para trike mountain bike
CA 2287770 A1 · Owner: Duggan, Donald Rodney · Inventors: Duggan, Donald Rodney
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a personal transportation unit designed for paraplegics this invention is , a, three wheeled mountain bike for people who still retain upper body strength and dexterity and wish to have greater mobility and independence than conventional units (wheelchairs) allow. In this invention power is derived by hand cranks that are secured to the outside of crankshafts (left and right) and then connected from front sprockets, to rear sprockets by chain. By hand cranking with either the left or right hand or both simultaneously, (electric motors which are not shown may be added to greatly enhance the range and speed on this invention) and a lower first gear ratio due to oversized sprockets of the …
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 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 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.