Appeal No. 97-2451 Page 8
Application No. 08/260,635
"substantially below" and "rapidly remove." For example, one
cannot ascertain if the temperature drop of the seal caused by
exposure to ambient conditions during delamination as in the
applied prior art constitutes "cooling said seal during said
delamination to a temperature substantially below the initial
temperature of said seal upon removal from said heat sealing
location." Additionally, one cannot ascertain if applying the
same pulling force to the pulling portions to remove the heat
seal segment from the heat seal location and then to
progressively delaminate the seal as in the applied prior art
constitutes "applying a pulling force to said pulling portions
. . . to rapidly remove the heat seal segment from the heat seal
location." Absent such guidelines, we are of the opinion that a
skilled person would not be able to determine the metes and
bounds of the claimed invention with the precision required by
the second paragraph of 35 U.S.C. § 112. See In re Hammack,
supra.
Since the appellant's specification fails to set forth an
adequate definition as to what is meant by the terminologies
"substantially below" and "rapidly remove" recited in claim 1,
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