Heatable plastic hose
CA 1279023 C · Owner: Rehau Ag + Co. · Inventors: Hopperdietzel, Siegfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heatable plastic hose for transporting fluids particularly liquids, includes a tubular hose having a cross-sectional center point and a hose wall which defines along the inner surface thereof, a longitudinal cavity having a cross-sectional center point which is laterally offset form the cross-sectional center point of the tubular hose the, tubular hose having, in cross-section a first wall portion, and a second wall portion the first wall portion being, thicker than the second wall portion; and a heating conductor wire which is longitudinally coextensive with the tubular hose and is embedded in the first wall portion.
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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.