Measuring and testing – Sampler – sample handling – etc. – Conduit or passageway section capture chamber
Reexamination Certificate
2005-11-01
2005-11-01
Williams, Hezron (Department: 2856)
Measuring and testing
Sampler, sample handling, etc.
Conduit or passageway section capture chamber
C073S864140, C073S864240, C422S105000, C436S047000
Reexamination Certificate
active
06959615
ABSTRACT:
A sample processing device [700] comprises an elongated body [101] with a septum seal [109] on one end and a drip tube [731] on the second end. A small-diameter through-chamber [103] in the body provides a receiving and alignment chamber for a hypodermic needle [109] inserted into the septum. A sample processing chamber [709] provides a location for processing elements such as filters and adsorption or absorption frits [135,137]. Sample fluid injected into, or withdrawn from, the device by the hypodermic needle communicates with a bottom opening [701] of the drip tube via a drip tube nozzle [705], the sample processing chamber and the small-diameter chamber. The device is particularly useful in automated testing where the device is moved to various processing locations by the hypodermic needle.
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Fayyaz Nashmiya
Watkins, Jr. Kenneth S.
Williams Hezron
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