Canadian application, no grantCanada
Centrifugal energy retreiver
CA 2207332 A1 · Owner: Belzile, Luc · Inventors: Belzile, Luc
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the case of a weight rotating around a vertical axis centrifugal force tend to pull that weight away from the axis. My invention called a "centrifugal energy retreiver" use the centrifugal force to produce energy.
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 June 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 20, 1997
GrantedNo grant recorded
Term endedJune 20, 2017
Patent numberCA 2207332 A1
Classification (IPC)F03G3/00
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.