1400667

Information

• Patent Grant
• 1400667

• References
• Source

• Patent Number

  1,400,667

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1921
  103 years ago

• CPC

  • F22D5/20 - without floats
  • F23N1/00 - Regulating fuel supply

• US Classifications

  • 236 - Automatic temperature and humidity regulation