1930224

Information

• Patent Grant
• 1930224

• References
• Source

• Patent Number

  1,930,224

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • F24D19/081 - for steam heating systems
  • Y10T137/3062 - Sinking or bucket type float

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 137 - Fluid handling