Appeal No. 96-3395 Page 19
Application No. 08/347,900
apparatus” comprising four elements. We address the elements
seriatim.
The first element is “a valve body housing a valve
element, said valve body having first and second inlets and an
outlet ....” The second elements adds that the valve element
has three ports. As noted by the appellant, these limitations
“call[] for a valve body with a valve element having three
ports.” (Appeal Br. at 14.) As aforementioned regarding
claim 1, Spencer discloses a valve body 57 having three ports.
The second element also recites that the valve element is
“rotatable between two positions for alternately delivering
(1) a sample to be tested and (2) a purge fluid to said outlet
....” As aforementioned regarding claim 1, Sanford discloses
rotating valves between two positions for alternately
obtaining and delivering (1) a sample liquid and (2) a wash
fluid and drying gas. The sample liquid is analyzed in a
detector 29. Col. 2, ll. 50-55.
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