US PATENT SUBCLASS 52 / 167.6
.~.~.~ With damping or limiting means

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  DF  .~ Relative motion means between a structure and its foundation {3}
167.5  DF  .~.~ Rolling support {1}
167.6.~.~.~ With damping or limiting means

DEFINITION

Classification: 52/167.6

With damping or limiting means:

(under subclass 167.5) Structure including an additional means to retard movement of the structure or to confine or restrict movement of the structure relative to its supporting foundation.