US PATENT SUBCLASS 335 / 62
.~.~ With hydraulic delay means

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
59  DF  .~ Retarded or delayed type {7}
62.~.~ With hydraulic delay means

DEFINITION

Classification: 335/62

(under subclass 59) Subject matter wherein the delay structure comprises means, operable under the influence of a liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29, for automatic circuit interrupters with latch or trip reclosing or resetting means utilizing fluid delay means.

61, for retarded switches utilizing pneumatic delay means.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

81+, for fluid pressure operated switches. 307, Electrical Transmission or Interconnection Systems,

118, for switching systems with fluid condition responsive means and subclass 144 for fluid pressure switch actuating means.

318, Electricity: Motive Power Systems, and

485, for other automatic motor control means with dashpot or other mechanical delay means.

388, Electricity: Motor Control Systems, art collection 921 for motor control systems including time delay means.