3749884

Information

• Patent Grant
• 3749884

• References
• Source

• Patent Number

  3,749,884

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • G05F1/452 - with pulse-burst modulation control
  • G05D23/1913 - delivering a series of pulses
  • G05D23/24 - the sensing element having a resistance varying with temperature

• US Classifications

  • 219 - Electric heating