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Absorbent paper

  • US 2,834,809 A
  • Filed: 07/06/1953
  • Issued: 05/13/1958
  • Est. Priority Date: 07/06/1953
  • Status: Expired due to Term
First Claim
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3. PAPER HAVING A PLURALITY OF CRESTS AND DEPRESSIONS IN EACH SIDE THEREOF, THE DEPRESSIONS IN ONE SIDE FORMING THE CRESTS ON THE OTHER SIDE AND THE CRESTS ON ONE SIDE FORMING DEPRESSIONS IN THE OTHER SIDE, SLOPING CONNECTING PORTIONS INTERVENING CRESTS AND DEPRESSIONS, THE PAPER BEING RUPTURED IN AREAS WHICH FORM SAID SLOPING CONNECTING PORTIONS, SAID PAPER INCLUDING SUBSTANTIAL AREAS WHICH ARE NOT RUPTURED.

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