US PATENT SUBCLASS 200 / 81.4
.~ Plural switch

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

81 R  DF  FLUID PRESSURE {8}
81.4.~ Plural switch

DEFINITION

Classification: 200/81.4

(under subclass 81) Combinations, of two or more distinct circuit makers and breakers, each having its own operating means, at least one of said operating means being responsive to pressure of a fluid or to vacuum.