US PATENT SUBCLASS 266 / 89
.~ With pressure sensor

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

78  DF  WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION {6}
89.~ With pressure sensor

DEFINITION

Classification: 266/89

(under subclass 78) Device wherein the control means is responsive to a variation in the force per unit area existing within the treating apparatus or in lines connected thereto.

SEE OR SEARCH CLASS

73, Measuring and Testing,

700+, for pressure-indicating devices.

200, Electricity: Circuit Makers and Breakers,

81+, for switches that are responsive to fluid pressure.