US PATENT SUBCLASS 307 / 98
COMBINED IMPEDANCE AND SWITCH SYSTEMS


Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

98COMBINED IMPEDANCE AND SWITCH SYSTEMS {1}
99  DF  .~> Condition responsive switch


DEFINITION

Classification: 307/98

(under the class definition) Subject matter relating to systems having combined impedance means and switch means for regulating the current in the system.

(1) Note. This subclass relates, for example, to presettable systems for controlling current at a future time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96+, for this subject matter.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for variable impedance systems for controlling the flow of current in a circuit.