Appeal No. 2001-0342 Page 7
Application No. 08/677,707
air from bellows 20 during compression of bellows 20. The
second embodiment is where the drain plunger 10 depends on the
special configuration of rim 30 for air escape from bellows 20
during compression of bellows 20.
From our review of the original disclosure, we fail to
find any explicit or implicit disclosure of a drain plunger
having both a one-way flap valve coupled to the handle 14 and
a sealing rim to release air from within the bellows during
compression of bellows as recited in claims 11 and 14 to 20.
Accordingly, the decision of the examiner to reject claims 11
and 14 to 20 under 35 U.S.C. § 112, first paragraph, is
affirmed with respect to the written description requirement.
The enablement requirement
An analysis of whether claims 11 and 14 to 20 are
supported by an enabling disclosure requires a determination
of whether that disclosure contained sufficient information
regarding the subject matter of claims 11 and 14 to 20 as to
enable one skilled in the pertinent art to make and use the
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