1447392

Information

• Patent Grant
• 1447392

• References
• Source

• Patent Number

  1,447,392

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1923
  101 years ago

• CPC

  • F23C99/00 - Subject-matter not provided for in other groups of this subclass
  • F23C2700/066 - Other special arrangements

• US Classifications

  • 110 - Furnaces