Magnetic bond storm window
CA 1066134 A · Owner: Gorhams' Inc. · Inventors: Gorham, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A storm window structure in which the face of a window casing and the edges of the associated storm window sashes are provided with members which interact magnetically to hold the sashes in position against the casing. One member is permanently magnetic and the other is ferromagnetic. Preferably the former is supplied in the form of a profile having grooves into which the pane may be inserted and cemented
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 November 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 13, 1996.
- 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.