US PATENT SUBCLASS 16 / 47
.~.~ Multiple

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

18 R  DF  CASTERS {20}
45  DF  .~ Wheels {2}
47.~.~ Multiple {1}
48  DF  .~.~.~> Antifrictionally swivelled

DEFINITION

Classification: 16/47

(under subclass 45) Casters having a plurality of floor-engaging wheels.