US PATENT SUBCLASS 222 / 159
.~ Transparent flow-line section


Current as of: June, 1999
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222 /   HD   DISPENSING

154  DF  INSPECTION DEVICES {4}
159.~ Transparent flow-line section


DEFINITION

Classification: 222/159

(under subclass 154) Dispensers in which pipes or conduits are provided with transparent sections so that the fact of flow or the presence of material may be determined.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40, for transparent flow line sections having an indicator moved by flowing material or for moving indicators exterior to the flow line section.

SEE OR SEARCH CLASS

116, Signals and Indicators,

264+,.

184, Lubrication, 96+,.

406, Conveyors: Fluid Current,

36,.

431, Combustion,

13, for a burner having a transparent viewing area.