US PATENT SUBCLASS 16 / 26
.~.~.~ Ball

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

18 R  DF  CASTERS {20}
24  DF  .~ Ball {2}
25  DF  .~.~ Antifrictionally mounted {2}
26.~.~.~ Ball

DEFINITION

Classification: 16/26

(under subclass 25) Casters in which the antifrictional mounting means comprises balls.