Inflatable barge
CA 1088812 A · Owner: Preus, Paul · Inventors: Preus, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air or surface deployable, inflatable flexible wall, fluid holding, towable container having a hollow, generally tubular, flexible wall container, at least one closeable inlet and outlet for directing fluids into and out of the container gas inflatable barriers extending at least along the longitudinal side walls of the container in the zone of the water line of the container when it is filled with a liquid.
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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
- 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.