US PATENT SUBCLASS 281 / 4
.~ Removable cover

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

3.1  DF  BOOK AND LEAF {2}
4.~ Removable cover

DEFINITION

Classification: 281/4

The cover of one of the books is removable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17, 19.1+ and 34, for other removable book covers.