Appeal No. 1997-4111 Page 13
Application No. 08/540,947
plug 40), a molding surface (Cain's face 38) at one end, at
least one groove (Cain's grooves 42) formed in the side
surface, each such groove extending from the end opposite the
molding surface to a point spaced apart from the molding
surface (as shown in Figures 3 and 3A Cain's grooves 42 extend
from the end opposite face 38 to a point spaced apart from
face 38), the side surface at said one surface being without
grooves (Cain's side surface on head portion 24 is without
grooves), and complementary to the surrounding surface
defining the hole (Cain's head portion 24 is complementary to
counterbore 16).
The appellants argue (brief, pp. 17-18; reply brief, pp.
3-6) that Cain does not anticipate claim 7. They point out
that since Cain includes a gap 18 formed between the
counterbore 16 and the vent plug 20 Cain's vent plug 20 would
not be "complementary to the surrounding surface defining the
hole."
We do not agree.
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