High-temperature heating systems and a process for their production
CA 1298603 C · Owner: Zybell, Paul · Inventors: Schittenhelm, Hans-Joachim; Zybell, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high-temperature heating element useful as the heating means in baking ovens, washing machines water heaters, toasters, and dishwashers comprises an enamelled metal substrate and an overlying multilayer system consisting of an inner layer of an insulating glass, metallic conductor lines and an outer layer of a surface glass, wherein said multi-layer system is joined to the enamelled metal substrate by an intermediate layer. Le A 26 001
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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 2009.
- 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.