Wall panel with foam insulation
CA 1287964 C · Owner: Scheunhage, Henry J. · Inventors: Tissington, Frederick B.; Johnston, Clare M.; Tissington, Sidney K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall panel of the type having two outer sheathing boards separated by rigid foam insulation has a continuous top header and a base reinforcement which are also each formed of two boards separated by rigid foam insulation. Vertical stud members formed of elongated boards have a central web extending between the boards of the top header and of the base reinforcement and have, side flanges nailed and bonded to the sheathing boards and extending between the bottom of the header and the top of the base reinforcement. The stud flanges allow nails to be applied internally of a flange into a first of the outer sheathing boards. The wall panels may have window and door openings cut out underneath …
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 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2008.
- 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.