US PATENT SUBCLASS 239 / 691
.~ With automatic safety feature

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

690  DF  ELECTROSTATIC TYPE {11}
691.~ With automatic safety feature

DEFINITION

Classification: 239/691

With automatic safety feature:

(under subclass 690) Apparatus in which a spray device is provided with means for sensing an abnormal hazardous condition of operation which may or may not occur and is provided with a further means for interrupting the electrical power supply to the spray device when the hazardous condition is sensed.