Appeal No. 1997-4111 Page 12
Application No. 08/540,947
Cain teaches (column 5, lines 36-44) that the vent plugs
can be made of stainless steel or machine steel but that other
materials could be used for the vent plugs where the materials
were suitable to the alternate mold and/or product being
molded. Cain also teaches (column 5, lines 45-54) that the
vent plug 20 is generally inserted into the bore 14 of the
mold 10 so that the plug head 24 is generally flush with the
molding surface 12 and that while the plug head 24 of Figure 2
has a face 38 on the top thereof which is flat, it can be
appreciated that where the mold is contoured the face 38 can
be contoured to match that of the mold 10.
In our view, claim 7 is anticipated by Cain since claim 7
reads on Cain. In that regard, claim 7 reads on Cain as4
follows: A mold venting plug in the form of an elongated rod
(Cain's vent plug 40 shown in Figures 3 and 3A), comprising a
side surface between two ends (the side surface of Cain's vent
4The law of anticipation does not require that the
reference teach what the appellants are claiming, but only
that the claims on appeal "read on" something disclosed in the
reference (see Kalman v. Kimberly-Clark Corp., id.).
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