US PATENT SUBCLASS 281 / 50
.~.~ Extending through aperture at juncture

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

45  DF  BOOK OR LEAF HOLDER {1}
46  DF  .~ Cooperating with leaf fold {2}
50.~.~ Extending through aperture at juncture

DEFINITION

Classification: 281/50

(under subclass 46) Device wherein the securing means passes through an opening disposed at the fold of the sheet as set forth under part 1 or 2 of the definition of subclass 46.