US PATENT SUBCLASS 52 / 167.4
.~ Relative motion means between a structure and its foundation

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

167.1  DF  MEANS COMPENSATING EARTH-TRANSMITTED FORCE (E.G., EARTHQUAKE) {3}
167.4.~ Relative motion means between a structure and its foundation {3}
167.5  DF  .~.~> Rolling support {1}
167.7  DF  .~.~> Elastomeric support {1}
167.9  DF  .~.~> Polymeric support structure (e.g., Teflon@)

DEFINITION

Classification: 52/167.4

Relative motion means between a structure and its foundation:

(under subclass 167.1) Structure including a means allowing movement between a static structure and its supporting foundation.