US PATENT SUBCLASS 411 / 405
.~.~.~ Opposed open ended plural slots, e.g., spanner, etc.

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

378  DF  EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC. {16}
402  DF  .~ Head driving structure {4}
403  DF  .~.~ Socket or slot {4}
405.~.~.~ Opposed open ended plural slots, e.g., spanner, etc.

DEFINITION

Classification: 411/405

Opposed open ended plural slots, e.g., spanner, etc.:

(under subclass 403) Subject matter provided with a plurality of slots, two of which lie on opposite edges of the perimeter of the head driving structure.

SEE OR SEARCH CLASS

81, Tools,

442+, for wrenches having relatively movable components insertable into a cavity.