Water amusement ride
CA 2122946 A1 · Owner: Davis, Walter Donald · Inventors: Davis, Walter Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transport device is provided for transporting a water ride participant from a first elevation to a second higher, elevation. The device includes a spiral transport element extending generally between the first and second elevations. The spiral transport element has first and second end sections an, intermediate section and an inner surface extending along the intermediate and first and second end sections. The inner surface defines a spiral pathway between the first and second elevations. Further provided is a drive mechanism coupled to the spiral transport element for effecting rotation of the transport element such that the first end section of the transport element is capable of …
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 May 5, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2016.
- 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.