2731564

Information

• Patent Grant
• 2731564

• References
• Source

• Patent Number

  2,731,564

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1956
  69 years ago

• CPC

  • H03B5/34 - active element in amplifier being vacuum tube
  • G05D23/2036 - the sensing element being a dielectric of a capacitor

• US Classifications

  • 331 - Oscillators
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation
  • 307 - Electrical transmission or interconnection systems
  • 310 - Electrical generator or motor structure
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 374 - Thermal measuring and testing