2139819

Information

• Patent Grant
• 2139819

• References
• Source

• Patent Number

  2,139,819

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • F23D11/44 - Preheating devices Vaporising devices
  • F23D2700/026 - Preheating devices, starting devices

• US Classifications

  • 431 - Combustion
  • 239 - Fluid sprinkling, spraying, and diffusing