Application of conductive metallic film to a glass ceramic support surface
CA 1305374 C · Owner: General Electric Company · Inventors: Schultz, John, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of applying a metal film on a glass ceramic plate comprising the following steps: applying a thin layer of a metal paste comprising an metallo-organic compound preferably substantially devoid of flux material to the glass ceramic plate surface in the desired pattern; slowly heating the plate to burn off the organic components of the paste; after cooling, covering the resultant strips of metallic film with a thin protective layer of an organic resin material, characterized by a vaporization temperature in the normal operating temperature range to which the glass is exposed when in use. On the first operational use of the glass the organic resin cleanly vaporizes away thereby …
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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.