Method for the manufacture of a flexible heating appliance
CA 1292611 C · Owner: I.G. Bauerhin Gmbh, Elektro-Technische Fabrik · Inventors: Haupt, Eberhard; Altmann, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for manufacturing a flexible heating appliance comprises placing a heating circuit comprising at least one heating wire between two layers of textile material and combining the latter either directly or with the aid of an adhesive layer, by applying heat and pressure. A lower textile layer consisting of one or several sublayers is placed on the rigid surface of a nail-studded template and the heating circuit is then laid on the lower layer with its wire being guided about the nail ends protruding from that layer. A second, upper textile layer is then placed on top of the lower one and the heating circuit thereon and the, two layers are joined together by means of a superimposed …
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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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 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.