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not written for publication and is not binding precedent of the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. 49
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte NORMAN LIFSHUTZ, RICHARD E. GAHAN
AND GRAHAM C. STEVENS
__________
Appeal No. 2002-0224
Application 08/628,327
___________
ON BRIEF
___________
Before PAK, OWENS and WALTZ, Administrative Patent Judges.
OWENS, Administrative Patent Judge.
DECISION ON APPEAL
This appeal is from the refusal to allow claims 23-30 as
amended after final rejection. These are all of the claims
remaining in the application.
THE INVENTION
The appellants’ claimed invention is directed toward a
filter media comprising a melt blown electret polypropylene fiber
web having therein a specified additive for enhancing sustained
electret filtration. Claim 23 is illustrative:
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