Structural module for retaining walls and the like
CA 1237288 A · Owner: Crinnion, Edward V. · Inventors: Crinnion, Edward V.; Crinnion, James S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Invention, A prefabricated concrete module and a composite wall structure comprised of an assembly of modules where the module, comprises a generally rectangular front and rear panel joined, by at least one generally trapezoidal partition means. A cellular wall structure is formed by stacking the modules and aligning the partition means on top of each other thereby, forming bins which contain loose material contributing to the weight of the structure. Provisions can be made for slabs which span longitudinally across partition means to be positioned upon or between partition means of vertically contiguous modules. These slabs which capture an additional amount of loose …
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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
- Granted May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 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.