Building foundation
CA 1279487 C · Owner: Koukourou, Peter Stanley · Inventors: Koukourou, Peter Stanley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a foundation having intersecting beams and floor portions, comprising firstly levelling the ground on which the foundation is to be located positioning a plurality of inverted hollow members in rows, separating the hollow members by spacers positioning lower reinforcing rods on the spacers and between the hollow members, laying a reinforcing mesh over the hollow members and pouring concrete into the channels between the hollow members and over the hollow members so as to envelope the reinforcing rods and the mesh.
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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.