Appeal No. 1999-2241
Application No. 08/714,914
are the only other pending claims, have been indicated as
allowable. (Examiner's answer, page 1.)
The subject matter on appeal relates to a free-fluoride-ion-
sensitive electrode. Further details of this appealed subject
matter are recited in illustrative claims 21, 33 (dependent on
allowed claims 22 through 24, 29, and 30), and 40 reproduced
below from the application as amended:
21. A free-fluoride-ion-sensitive electrode,
comprising:
(A) a substantially liquid-impermeable solid
fluoride-sensing crystal that is constituted
of one or more fluoride-ion-sensitive solid,
crystalline, substantially water-insoluble
fluorides;
(B) first and second solid elastomeric gaskets
that form a sealing array with the fluoride-
sensing crystal;
(C) a primary container body constituted of
electrically insulating material and having
walls surrounding a central cavity that
extends completely through the primary
container body, thereby forming a first and a
second end of said central cavity, said
central cavity having a size and a shape such
that a sealing array among the primary
container body, the fluoride-sensing crystal,
and said first and second elastomeric gaskets
is formed;
(D) means for maintaining the sealing array among
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