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for publication and is not binding precedent of the Board.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. 28
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte YVON DUMETZ
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Appeal No. 2004-0540
Application No. 09/601,237
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HEARD: APRIL 4, 2004
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Before ABRAMS, NASE and BAHR, Administrative Patent Judges.
BAHR, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the examiner's final rejection of claims 1-4, 6
and 7, which are all of the claims pending in this application.
BACKGROUND
The appellant's invention relates to a flat tube for the circulation of fluid in a heat
exchanger, especially a radiator for cooling the engine of a motor vehicle, formed by a
strip of sheet metal folded so as to define a peripheral wall and an intermediate wall or
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