2120937

Information

• Patent Grant
• 2120937

• References
• Source

• Patent Number

  2,120,937

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1938
  87 years ago

• CPC

  • F23K3/22 - Controlling thickness of fuel bed

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 236 - Automatic temperature and humidity regulation