Energy transfer device
CA 1109733 A · Owner: Mulvenna, Charles A. · Inventors: Mulvenna, Charles A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes an energy transfer device in which an elongated conduit, containing fluid has, at least one end fixed and a first portion adapted to be oscillated. A second portion of the conduit between the relatively fixed end and the first portion is formed to provide a spring connection therebetween and results in improved performance in terms of output characteristics design characteristics, and possible applications.
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
- Granted September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 1998.
- 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.