2179281

Information

• Patent Grant
• 2179281

• References
• Source

• Patent Number

  2,179,281

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1939
  85 years ago

• CPC

  • G05D23/127 - to control a gaseous fluid circulation
  • Y10S116/37 - Multiple movable scales

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 116 - Signals and indicators
  • 200 - Electricity: circuit makers and breakers