US PATENT SUBCLASS 16 / 23
.~.~.~ Pivoted

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

18 R  DF  CASTERS {20}
20  DF  .~ Antifrictionally swivelled {2}
22  DF  .~.~ Cylinder {1}
23.~.~.~ Pivoted

DEFINITION

Classification: 16/23

(under subclass 22) Casters in which the cylinders are pivoted.