Appeal No. 1997-4175
Application No. 07/805,703
a concave surface adjacent to said slot.” Notwithstanding the
examiner’s explanation of how the opening in Delembre may be
considered to have the claimed properties [answer-page 5], we
do not find any suggestion in the applied references for
forming a slot, as claimed.
Moreover, and most importantly, the instant claims
require a chemical fill in an interior region of “the
electrode support tube.” Delembre doesn’t teach anything
about an amalgam, or chemical fill. Wesselink, although
concerned with amalgams, is directed to applying the amalgam
in the discharge space of the arc tube and there is no
teaching or suggestion therein for applying the chemical fill
to an interior region of “the electrode support tube.” We do
not find the examiner’s argument [answer-page 5] that, in
Delembre, “the chemical fill is introduced, through the
electrode support tube, through the opening, in to [sic] a
discharge tube” to be persuasive. Since there is no teaching,
in Delembre, of a chemical fill, or amalgam, in an interior
region of the electrode support tube, the examiner’s
conclusion appears to be based on speculation through
hindsight. The total disclosure in Delembre, regarding hole
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