US PATENT SUBCLASS 24 / 402
.~.~ Opposed 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}
401  DF  .~ Having interlocking surface formed from single member with varying cross section {1}
402.~.~ Opposed surface having dissimilar cross section

DEFINITION

Classification: 24/402

Opposed surface having dissimilar cross section:

(under subclass 401) Zipper* in which the two opposed interlocking surfaces have different cross-sectional formations.