US PATENT SUBCLASS 281 / 21.1
.~ Binding

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.~ Binding {8}
22  DF  .~.~> Scrapbook
23  DF  .~.~> Continuous strip
24  DF  .~.~> Guard
26  DF  .~.~> Undercut slot
27  DF  .~.~> Sewed
27.1  DF  .~.~> Ring or arch {1}
27.3  DF  .~.~> Metallic
28  DF  .~.~> Elements

DEFINITION

Classification: 281/21.1

Binding:

(under subclass 15.1) Subject matter related to the means which permanently secure the leaves* together to form the book or which permanently secure the cover to the body of the book. (Terms marked with * are defined in the class definition of this class.)