Appeal No. 95-0429
Application No. 07/730,199
1. A hybird yarn for composite materials with a
thermoplastic matrix, comprising an intimate mixture, of spun
yarns of reinforcing fibers and spun yarns of thermoplastic
matrix fibers, each of the spun yarns of fibers having been
obtained by cracking with slow, gradual stretching of
multifilaments, and, after stretching, parallel fibers of
said mixture, having been wrapped by a continuous filament
of thermoplastic material.
The references of record relied upon by the examiner are:
Zucker et al. (Zucker) 4,502,364 Mar. 05, 1985
O’Connor 4,800,113 Jan. 24, 1989
Roncato et al. (Roncato) 5,011,523 Apr. 30,
1991
Published European Patent Application, Publication No. 0 156
600, McMahon et al., Oct. 02, 1985 (hereinafter referred to as
“McMahon”)
Published Japanese Patent Application, No. JO 1292-129-A,
Nov. 24, 1989 (hereinafter referred to as “JPA”)
Appellants’ admission at page 2 of the specification referring
to French Patent No. 2,634,790
Published European Patent Application, Publication No. 0 351
201, Ying, Jan. 17, 1990 (hereinafter referred to as “Ying”)
The appealed claims stand rejected as follows:
(1) Claims 1 through 6 under 35 U.S.C. § 102(b) as
anticipated by Zucker or McMahon;
(2) Claims 1 through 6 under 35 U.S.C. § 103 as
unpatentable over either Roncato, Ying or JPA in view of
2
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