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Expired Canadian patentCanada

Structural stabilization system

CA 1320970 C · Owner: Garza-Tamez, Federico · Inventors: Garza-Tamez, Federico

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 structure stabilization system for protecting structures from effects of seismic disturbances. Plural bases of a base isolation system support, through flexible suspension elements, corresponding, plural vertical support columns. Corresponding adjustment mechanisms on each base provide for adjusting all support elements to a common elevation. A gripper mechanism in each base is selectively axially adjusting to establish substantially identical effective free suspension lengths and common harmonic characteristics of all suspension elements. A releasable interlock subsystem interlocks the structure to the foundation to render it stable against minor forces such as produced by, wind, and …

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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 August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 14, 1989
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320970 C
Classification (IPC)E04B1/36 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 14, 1989Patent grantedAug 3, 1993Term endedAug 3, 2010

Sources & verification

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