Method of manufacturing an assembly consisting of a metal housing, a heat-insulated inner jacket and a metal outer cooling jacket
CA 1074542 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Nederlof, Anton M.; Asselman, George A.A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing an assembly consisting of a metal housing, a ceramic inner jacket and a metal outer cooling jacket for hot-gas engines. The two jackets act as a core and mould, respectively, wherebetween liquid metal is introduced which forms, by solidification the housing, which is rigidly connected to the jacket. -13-
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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 April 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 1997.
- 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
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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.