The opinion in support of the decision being entered today was not written for
publication and is not binding precedent of the Board
Paper No. 14
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte KAUSHIK POPAT
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Appeal No. 1998-3424
Application 08/315,792
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ON BRIEF
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Before THOMAS, KRASS, and LALL, Administrative Patent Judges.
KRASS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the final rejection of claims 1, 5-17 and 20-22.
Claims 2-4, 18, 19 and 23 have been indicated by the examiner as being directed to
patentable subject matter.
The invention is directed to first in-first out (FIFO) storage devices in general. In
particular, the output transitions of the device are inhibited when the last cell of the
device is read or when the FIFO is erased. This is said to be an improvement over the
prior art since transitions at the output of conventional devices consume considerable
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