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for publication and is not binding precedent of the Board.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. 13
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte LARRY K. ACKER
____________
Appeal No. 2004-1332
Application No. 10/010,691
____________
ON BRIEF
____________
Before GARRIS, WARREN, and KRATZ, Administrative Patent Judges.
GARRIS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on an appeal from the final rejection of
claims 1-13 which are all of the claims in the application.
The subject matter on appeal relates to a demand hot water
recirculation system. With reference to the Appellant’s drawing,
the system comprises a hot water source 12, at least one plumbing
fixture 18 having a hot water inlet, a conduit 26, 24 for enabling
circulation of hot water from the source to the plumbing fixture
and return to the hot water source, a pump 30 for circulating hot
water through the conduit, a switch 36 for generating control
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