US PATENT SUBCLASS 24 / 400
.~.~ Opposed interlocking surface having dissimilar cross section

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

381  DF  ZIPPER OR REQUIRED COMPONENT THEREOF {15}
399  DF  .~ Having interlocking surface with continuous cross section {1}
400.~.~ Opposed interlocking surface having dissimilar cross section

DEFINITION

Classification: 24/400

Opposed interlocking surface having dissimilar cross section:

(under subclass 399) Zipper* in which the two opposed interlocking surfaces have different cross-sectional formations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

587, for a separable-fastener* having an elongated, resilient, interlocking face with identically shaped, parallel cross sections along its full length.