US PATENT SUBCLASS 411 / 925
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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}
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DEFINITION

Classification: 411/925

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Art collection under art collection 924 in which a special structure is provided in the form of a stop secured or locked to the bolt and in which the stop has a portion above the nut which locks the nut.