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Canadian application, no grantCanada

Falling wheel, chain motor

CA 2367887 A1 · Owner: Woods, John T. · Inventors: Woods, John T.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In previous efforts to construct a weight motor 'equal and opposite' , reactions have thwarted success. In the design of this motor, two shafts with fixed journal box positions, and their, respective wheels flank a middle 'floating' shaft and its wheels and through , their unequal, positions of support split the force into a dominant force (which determines the order of rotation), and a recessive force which must follow the dominant order. On the middle float shaft are two, gears: one with a very small diameter and a second which is very large when compared to the, first. Both gears travel in unison around the floating shaft. On one side of the floating shaft is an extremely large gear …

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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 January 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 11, 2002
GrantedNo grant recorded
Term endedJanuary 11, 2022
Patent numberCA 2367887 A1
Classification (IPC)F03G7/10 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJan 11, 2002Term endedJan 11, 2022

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.