Appeal No. 1997-0846
Application No. 08/474,950
The reference of record relied on by the examiner is:
Baechtold 3,300,546 Jan. 24, 1967
Appealed claims 2 through 4 stand rejected under 35
U.S.C.
§ 112, second paragraph, as indefinite. All appealed claims
stand rejected under 35 U.S.C. § 103 as unpatentable over
Baechtold in view of Admitted Prior Art.
Neither rejection can be sustained.
The subject matter on appeal relates to a removable,
non-brittle, water soluble thermoplastic spacer for use to
space an electrical component from a printed wiring board to
which the electrical component will be attached. Appealed
claim 1 defines the spacer as comprising a shaped mixture of
an injection moldable solid mixture of partially hydrolyzed
polyvinyl alcohol resin, and a fully hydrolyzed polyvinyl
alcohol resin. This mixture is further defined as being
capable of retaining its shape at the printed wiring board
fabrication and soldering temperatures encountered.
Additionally, appealed claim 36 is directed to the combination
of the spacer, a printed wiring board, and an electrical
3
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