US PATENT SUBCLASS 16 / 48
.~.~.~ Antifrictionally swivelled

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

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

DEFINITION

Classification: 16/48

(under subclass 47) Devices having antifrictional swiveling bearings comprising balls and cylinders.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20+, for other antifrictionally swiveled casters.