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for publication and is not binding precedent of the Board.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. 32
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte MICHAEL D. CRANDALL
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Appeal No. 1999-1951
Application No. 08/797,062
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HEARD: JANUARY 17, 2002
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Before LIEBERMAN, KRATZ, and DELMENDO, Administrative Patent Judges.
LIEBERMAN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal under 35 U.S.C. § 134 from the rejection of the examiner
refusing to allow claims 1 through 40, which are all the claims pending in this application.
THE INVENTION
The invention is directed to a retroreflective article comprising a layer of
retroreflective elements at least partially embedded in a binder layer. The binder layer
comprises a polyurethane having specific molecular weight and end group unsaturation
requirements. Additional limitations are described in the following illustrative claims.
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