2520797

Information

• Patent Grant
• 2520797

• References
• Source

• Patent Number

  2,520,797

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • G05D23/1393 - characterised by the use of electric means
  • G05D9/12 - characterised by the use of electric means
  • Y10T137/7368 - Servo relay operation of control
  • Y10T137/7407 - With counter-balance

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 073 - Measuring and testing
  • 137 - Fluid handling
  • 374 - Thermal measuring and testing