US PATENT SUBCLASS 411 / 120
.~.~.~ And element maintaining member in operative engagement with bolt head or nut

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

81  DF  THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL) {13}
116  DF  .~ Head or nut side face held by discrete member (e.g., side lock) {7}
119  DF  .~.~ Member having opening or notch engaging a bolt head or nut on two sides {2}
120.~.~.~ And element maintaining member in operative engagement with bolt head or nut

DEFINITION

Classification: 411/120

And element maintaining member in operative engagement with bolt head or nut:

(under subclass 119) Device provided with a second, other

(i.e., an additional) element, which additional element either connects the member to the substructure or to the bolt head or nut or otherwise functions to retain the member in rotation restricting engagement with the bolt head or nut.