US PATENT SUBCLASS 24 / 657
.~.~.~.~.~ Plural, oppositely shifting, similar interlocking components

Current as of: June, 1999
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24 /   HD   BUCKLES, BUTTONS, CLASPS, ETC.

572  DF  SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF {5}
588  DF  .~ Including receiving member having cavity and mating member having insertable projection guided to interlock thereby {12}
629  DF  .~.~ Receiving member includes either movable connection between interlocking components or variable configuration cavity {7}
652  DF  .~.~.~ Having slidably connected, nonself-biasing interlocking component {4}
656  DF  .~.~.~.~ Requiring manual force thereon to interlock or disengage {2}
657.~.~.~.~.~ Plural, oppositely shifting, similar interlocking components

DEFINITION

Classification: 24/657

Plural, oppositely shifting, similar interlocking components:

(under subclass 656) Receiving member having two separate, similarly shaped, sliding components which travel in opposite directions to each other when moving between their interlock and noninterlock positions.