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Expired Canadian patentCanada

Device for stabilizing bulk material, especially soil masses

CA 1265679 C · Owner: A/S Platon · Inventors: Hallberg, Carl R.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A b s t r a c t, The invention relates to a device esepcially for stabili-, zing soil material comprising a substantially elongated, web (1) which in mounted position on a support (4) forms a plurality of cells or pockets. For the purpose of providing a device which can be manufactured from inexpensive raw material, which possibly can easily decompose and which can, be manufactured in accordance with a simple and preferably known process, and at the same time render a minimum transport volume, and which in connection with soil stabilizing provides favourable anchoring in the ground which is to be soil stabilized, and which forms pockets or cells having walls extending vertically independent …

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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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 4, 1987
GrantedFebruary 13, 1990
Term endedFebruary 13, 2007
Patent numberCA 1265679 C
Classification (IPC)E02D17/20

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedFeb 4, 1987Patent grantedFeb 13, 1990Term endedFeb 13, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.