US PATENT SUBCLASS 411 / 188
.~.~.~.~.~ Plural, radially extending, and generally equally spaced

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}
172  DF  .~ Nut having a portion for attachment to substructure {2}
176  DF  .~.~ Fastener having a deformable portion or deforms substructure (e.g., prong) {3}
184  DF  .~.~.~ Region on inwardly facing surface of bolt head or nut {3}
187  DF  .~.~.~.~ Having axially directed projection or recess {1}
188.~.~.~.~.~ Plural, radially extending, and generally equally spaced

DEFINITION

Classification: 411/188

Plural, radially extending, and generally equally spaced:

(under subclass 187) Device wherein the raised or depressed formations are two or more in number, are each located at, and extend along, a line which approximates a radian of the surface, and are spaced more or less the same distance apart around the surface.