US PATENT SUBCLASS 281 / 16
.~ Multiple

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}
16.~ Multiple {1}
17  DF  .~.~> Removable cover

DEFINITION

Classification: 281/16

More than one book being involved in the invention in each patent.

SEE OR SEARCH CLASS

462, Books, Strips, and Leaves for Manifolding,

20, 21, and 57+.