Structural roofing and siding panel
CA 1094773 A · Owner: Mill-Craft Housing Corporation · Inventors: Rehbein, Erwin G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pultruded panel of synthetic thermo-setting polyester resins reinforced with glass fibers simulates multiple clapboard siding or multiple shingle tiers or vertical panel siding serving as either an exterior protective panel or as a combination protective and structural siding panel for building construction. The panels are secured to the building frame at one edge preferably the upper edge, and have positive male and female interlocking members integrally formed along their overlapping edge for weather proof sealing. Intermediate brackets on the building frame interlock with projections behind the panels.
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 February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.