Earth stabilisation
CA 1308266 C · Owner: Vidal, Henri · Inventors: Vidal, Henri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Earth Stabilisation", A stabilised earth structure has a substantially vertical front face 7 and is stabilised by layers of substantilly horizontal strips extending rearwardly from the front face. The frictional force mobilised between the strips and the earth in a rear section is greater than that mobilised by a front section 1 for example by forming the front section 1 as a single strip and the rear section as a pair of strips 3,4. Alternatively a single strip may be provided wherein the lateral dimension of the rear section is wider than that of the front section.
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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- 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.