Short aggregate pier techniques
CA 2359642 A1 · Owner: Geotechnical Reinforcement Company, Inc. · Inventors: Fox, Nathaniel S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods for augmenting the load bearing characteristics expanding the , feasibility and augmenting the construction of short aggregate piers include preloading (100), adding chemical additives and using mesh reinforcement (802 805) to the matrix soils; use of gradations of aggregates (502 504, 506, 508, 510, 512), use of liners (610) use of aggregate drains (714), use of nonimpact forces and use of indigenous materials in the pier construction; use of variable dimensioned lifts, use of interlocking recycled materials use of , temporary casings (930) and the use of load sensors (999) within the pier construction. The short aggregate pier construction techniques are used for lateral load …
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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
- Filed January 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 25, 2022.
- 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.