Float for buoyant hoses
CA 2304690 A1 · Owner: Phoenix Aktiengesellschaft · Inventors: Maass, Uwe; Friederich, Hans-Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a float (2) for buoyant hoses comprising at least one multilayer foam body which surrounds the buoyant hose (1) whereby the foam , body is composed of individual foam sheets (3 4, 5). Inside a layer, a radial , connection (6) is produced which adheringly joins two adjacent foam sheets (3 4) to one another. In addition, the float comprises an axial connection (7) which also adheringly joins two adjacent foam sheets (3 5) to one another , from sheet to sheet. According to variant A the radial connection (6) is , exclusively produced by a layer made of a polymer material which expands when heated and occupies a large volume. According to variant B both the radial , …
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 November 6, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2020.
- 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.