US PATENT SUBCLASS 24 / 424
.~.~.~.~.~ Biased by distinct spring

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

381  DF  ZIPPER OR REQUIRED COMPONENT THEREOF {15}
415  DF  .~ Slider having specific configuration, construction, adaptation, or material {8}
418  DF  .~.~ Including position locking-means attached thereto {2}
420  DF  .~.~.~ Having surface engaging element shifted by reorientation of pull tab {1}
421  DF  .~.~.~.~ Resilient or spring biased element {4}
424.~.~.~.~.~ Biased by distinct spring

DEFINITION

Classification: 24/424

Biased by distinct spring:

(under subclass 421) Locking-means* in which the interlocking surface engaging element is biased by a spring which is not integral therewith.