Sprayed concrete basement structure
CA 1238201 A · Owner: Superior Walls · Inventors: Zimmerman, Melvin M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new method of construction for building basements. Procast concrete studs are used to build the framework of the vertical walls of the basement, rigid sheet insulation is attached to the outside of the concrete studs, and wire mesh is attached to the sheet insulation. Concrete is then sprayed onto the insulation and wire to form a continuous waterproof outer surface.
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 June 21, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2005.
- 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.