US PATENT SUBCLASS 411 / 941.3
.~.~.~ Ball

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

924  DF  COUPLED NUT AND BOLT {13}
929  DF  .~ Thread lock {12}
941  DF  .~.~ Side clutch {3}
941.3.~.~.~ Ball

DEFINITION

Classification: 411/941.3

Ball:

Art collection under art collection 941 in which the device is in the form of a ball.