US PATENT SUBCLASS 411 / 151
.~.~.~ Split ring having radially outwardly extending end

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}
132  DF  .~ Lock washer-type member located between substructure and bolt head or nut {8}
147  DF  .~.~ Member comprises washer formed as closed loop or apertured plate or as split ring {8}
151.~.~.~ Split ring having radially outwardly extending end

DEFINITION

Classification: 411/151

Split ring having radially outwardly extending end:

(under subclass 147) Device wherein the open-center figure does not form a closed path, but, instead, has two, distinct ends, and further wherein one or both of the ends turn from the remainder of the figure in a direction away from its principal axis.

(1) Note. Those loops which have free ends but which fail to meet the requirements of either this subclass (151) or subclasses 152+ below are classified elsewhere in this area on some other basis, if applicable, or, if not, then in subclass 147 above.