THIS OPINION WAS NOT WRITTEN FOR PUBLICATION
The opinion in support of the decision being entered today (1) was
not written for publication in a law journal and (2) is not binding
precedent of the Board.
Paper No. 25
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte TETSUO SANO,
HIDEAKI MOTOHASHI, AND
KOKICHI FURUHAMA
____________
Appeal No. 1999-1778
Application No. 08/888,365
____________
HEARD: January 27, 2000
____________
Before STAAB, NASE AND GONZALES, Administrative Patent Judges.
STAAB, Administrative Patent Judge.
This is an appeal from the examiner’s decision twice
rejecting claims 1, 2, 4-7, 9-11, 13-15 and 24-28. Claims 16-
23, the only other claims remaining in the application, have
been withdrawn from consideration pursuant to 37 CFR § 1.142(b)
as not readable on the elected invention.
Appellants’ invention pertains to heat exchanger tubes used
in the construction of heat exchangers. More particularly, the
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