US PATENT SUBCLASS 346 / 6
.~.~.~ Bourdon tube marker element

Current as of: June, 1999
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346 /   HD   RECORDERS

3  DF  PERFORMANCE OF MULTIPLE FUNCTIONS OF STEAM AND GAS ENGINES {1}
4  DF  .~ Pressure responsive element {1}
5  DF  .~.~ Drum recorder {1}
6.~.~.~ Bourdon tube marker element

DEFINITION

Classification: 346/6

(under subclass 5) Recorders of the type specified in ... in which a Bourdon tube is utilized to drive the marker element of the recorder.

SEE OR SEARCH CLASS

73, Measuring and Testing,

741+, for Bourdon fluid pressure gauges.

92, Expansible Chamber Devices, appropriate subclasses for an

expansible chamber device, per se.