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Expired Canadian patentCanada

Wall with gravity support structure, building element and method for construction thereof

CA 1330491 C · Owner: Geotech-Lizenz Ag · Inventors: Jaecklin, Felix Paul

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

The wall according to the present invention comprises a gravity support structure with a plurality of compartments or cells which are filled with bulk-material and surrounded or subdivided by flat and flexible envelope material and on, one front side or on both opposite front sides of this gravity support structure a fore-part, preferably in the form of a supporting grid structure, which is positively or frictionally connected with said gravity support structure Such combined wall structure can be used for slope supporting as well as for noise absorbing or partition purposes in the latter cases e.g. in the form of a stand-alone structure. An essential function of the fore-parts is the …

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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 July 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 11, 1986
GrantedJuly 5, 1994
Term endedJuly 5, 2011
Patent numberCA 1330491 C
Classification (IPC)E02D29/02

Timeline

Timeline From CIPO dates

198719901993199619992002200520082011Application filedSep 11, 1986Patent grantedJuly 5, 1994Term endedJuly 5, 2011

Sources & verification

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