US PATENT SUBCLASS 307 / 132 R
.~ Repetitive make and break

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

112  DF  SWITCHING SYSTEMS {5}
132 R.~ Repetitive make and break {4}
132 E  DF  .~.~> Electronically controlled relay {1}
132 T  DF  .~.~> Thermal relay
132 V  DF  .~.~> Vibrating relay
132 M  DF  .~.~> Miscellaneous

Unofficial Alpha Subclasses: R E EA T V M

DEFINITION

Classification: 307/132

(under subclass 112) Subject matter relating to systems having means for repetitively making and breaking a circuit.

(1) Note. This subclass relates, for example, to flashing systems, wherein the system is intermittently energized.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96+, for this subject matter.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

209+, for this subject matter having an electric lamp or space discharge device in the load circuit.

318, Electricity: Motive Power Systems,

129+, for this subject matter having an electric motor in the load circuit.

323, Electricity: Power Supply or Regulation Systems,

282, and 351 for switching regulators.

331, Oscillators, appropriate subclasses, for electrical oscillators in general utilizing active elements other than circuit maker and breaker type or dynamoelectric machine type, see particularly

111, for free-running pulse generators of the relaxation type utilizing transistors, subclasses 129+ for oscillators of the relaxation type utilizing gaseous space discharge devices, and subclasses 143+ for relaxation oscillators in general.