Multiple glazing
CA 1306346 C · Owner: Usm Corporation · Inventors: Joerg, Klaus; Gilch, Heinz; Haar, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method of manufacturing a multiple glazing unit which comprises: preparing two transparent panels and assembling a spacer frame. The frame has two parallel side portions intended to be located in juxtaposed relation and parallel with the panels and a bridging portion extending between the side portions and intended to be located at the outer region of the spacer frame to provide a closed figure of substantially uniform thickness. Prior to positioning the assembled spacer frame between the two transparent panels, a coating of a curing sealing composition is disposed onto the side portions, the bridging portions and corner pieces of the spacer frame. The coating …
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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.