Insulator roller assembly for a window
CA 1186614 A · Owner: D'Aragon, Paul · Inventors: D'Aragon, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulator assembly for windows is disclosed. The assembly has a flexible film sheet with a reflective section and a transparent suction for use in winter and summer. The flexible sheet has sufficient width to extend across the width of the window opening and a length of at least the height of the window opening, the sheet having an insulating opaque portion extending for at least the height of the window opening and a transparent portion. A top roller is provided for rolling and unrolling the sheet and applying a, tension to the sheet. A bottom roller is also provided for the sheet at the bottom of the window and an edge frame around the window opening has a sealing surface to seal the …
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 May 7, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2002.
- 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.