Appeal No. 1996-2218
Application No. 08/154,422
c. closing the mold and injecting a synthetic plastic
material into the interspace so as to mold the rigid seal-
receiving frame connecting the cover plate and reinforcing
frame and simultaneously forming said encircling groove in the
seal-receiving frame by surrounding an inwardly directed part
of the peripheral seal with said plastic material and using
said inwardly direct part as a core for directly forming said
encircling groove in the seal-receiving frame; and
d. opening the mold and removing a finished cover unit.
THE REFERENCES OF RECORD
As evidence of obviousness, the examiner relies upon the
following references:
Knights et al. 4,151,696 May 1,
1979
(Knights)
Kulla 4,259,135 Mar. 31, 1981
Bohm et al. (Bohm) 4,738,482 Apr. 19, 1988
Leone et al. (Leone) 5,069,852 Dec. 3, 1991
Jardin et al. (Jardin) 5,344,603 Sep. 6, 1994
(filed Feb. 28, 1992)
THE REJECTION
Claims 14 through 19 stand rejected under 35 U.S.C. §
103 as unpatentable over Bohm in view of Kulla or Knights in
further view of Leone and Jardin.
OPINION
We have carefully considered all of the arguments
advanced by appellants and the examiner and agree with
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