Roof or wall covering of sheet material, and a mounting member for a gutter bracket associated with such roof covering
CA 1180870 A · Owner: Matthison-Hansen, John E. · Inventors: Matthison-Hansen, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The covering is composed of alternate broader lower strips and narrower upper strips the outer surfaces, of which strips are concave and convex respectively. The, strips are resiliently connected to one another and to fastening brackets by means of interengaging longitudinal edge zones on the strips and the brackets. The profile of each edge zone of the lower strips is S-shaped and includes a convex portion engaging with a concave surface on an edge zone of the bracket, and a portion which embraces the edge zone of the bracket. Each edge zone of the upper strips embraces the outermost portion of an edge zone of a lower strip. A gutter bracket can be clamped between an upper strip and the …
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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 January 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.