Externally insulated window mounting
CA 1287774 C · Owner: Swiss Aluminium Ltd. · Inventors: Ritzl, Antal
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The externally insulated window mounting is employed in the sidewall frame of a railway passenger carriage. This carriage frame comprises sidewall sections (78) and post sections (10), an exchangeable outer skin (24) and in between an insulating material (80). The window mounting is releasably secured to the sidewall sections (78) and post sections (10). The inner frame (32) made up of at least four extrusion pieces spaced from the region of the window corners, features a lip (44) which serves as a sealing surface for the outer skin (24) and holds in place an outer, peripheral frame (46) with undercut groove (48). A lip (58) on the outer frame (46) pointing away from the window opening …
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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 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.