US PATENT SUBCLASS 315 / 104
.~.~ Thermostatic controlled delaying means

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

94  DF  WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT {6}
102  DF  .~ Delayed application of the discharge potential {2}
104.~.~ Thermostatic controlled delaying means

DEFINITION

Classification: 315/104

(under subclass 102) Systems wherein the means for delaying the application of the discharge potential to the discharge electrodes is controlled by thermostatic means.

(1) Note. The heat to operate the thermostat may be supplied from the cathode or the cathode heater or from an electrical heating element other than the cathode or the cathode heater connected in the system.

SEE OR SEARCH CLASS

337, Electricity: Electrothermally or Thermally Actuated Switches,

14+, for electrothermally actuated switches and subclass 298 for thermally controlled switches.