Appeal No. 98-0599
Application 08/434,029
The Rejection on Appeal
Claims 31-34 and 36 stand rejected under 35 U.S.C. § 103
as being unpatentable over Kato.
Claim 35 stands rejected under 35 U.S.C. § 103 as being
unpatentable over Kato and Sakaguchi.
The appellant has grouped claims 31-34 and 36 together
for single treatment in this appeal. (Br. at page 5).
The Invention
The claimed invention is directed to an optical disc or
recording medium comprising a single-piece disc-shaped
transparent substrate having a recess formed in a first
surface around a center hole and a magnetic member inserted
into the recess thus closing the center hole. The substrate
has a second surface parallel to the first surface and an
annular rib projecting from the second surface around the
center hole. Claims 31 and 36 are the only independent claims
on appeal and are reproduced below:
31. An optical recording medium comprising:
a single-piece disc-shaped transparent substrate
having a first surface, a second surface parallel to
the first surface, and a center hole formed at a
center of the disc-shaped transparent substrate,
with the center hole extending through the
transparent substrate in a direction from the first
3
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