US PATENT SUBCLASS 281 / 24
.~.~ Guard

Current as of: June, 1999
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281 /   HD   BOOKS, STRIPS, AND LEAVES

15.1  DF  BOOK, ELEMENT THEREOF, OR ACCESSORY THEREFOR {9}
21.1  DF  .~ Binding {8}
24.~.~ Guard

DEFINITION

Classification: 281/24

The signatures or leaves being secured to intermediate elements of substantially the same thickness as the signatures or leaves attached to them and the intermediate elements being secured together to form the book.