Appeal No. 2002-0181
Application No. 08/476,497
about 20% to about 40% volume of said composite
material;
said reinforcing fibers having a diameter less
than or equal to about 10 microns and a length equal
to or greater than 5 microns; and
said reinforcing fibers being oriented in a
uniaxial direction.
22. A high temperature capability composite
material consisting essentially of a matrix formed
from a powdered nano-sized ceramic material having
particle sizes solely in the range of about 1 to 100
nanometers, and a plurality of reinforcing fibers
embedded within said matrix, said reinforcing fibers
comprising from about 20% to about 40% volume of said
composite material, and said nano-sized ceramic
material penetrating into internal spaces between said
reinforcing fibers.
The examiner relies on the following prior art references
as evidence of unpatentability:
Toibana et al. 4,507,224 Mar. 26, 1985
(Toibana)
Singh et al. 5,132,155 Jul. 21, 1992
(Singh)
Claims 19, 21, and 22 on appeal stand rejected under 35
U.S.C. § 112, second paragraph, as indefinite. (Examiner’s
answer mailed Mar. 21, 2001, paper 23, unnumbered page 3.)
Also, claims 1 through 5, 7, 16 through 20, and 22 on appeal
stand rejected under 35 U.S.C. § 102(b) as anticipated by Singh.
(Id. at pages 3-4, unnumbered page 2 and misnumbered page 2.)
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