US PATENT SUBCLASS 411 / 121
.~.~.~ Member elastically or plastically deformable for attaching it to 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}
121.~.~.~ Member elastically or plastically deformable for attaching it to bolt head or nut

DEFINITION

Classification: 411/121

Member elastically or plastically deformable for attaching it to bolt head or nut:

(under subclass 119) Device wherein the member, or a part thereof, is resiliently or yieldably deformable for enabling the member to grip or otherwise hold itself in contact with the bolt head or nut.