2311657

Information

• Patent Grant
• 2311657

• References
• Source

• Patent Number

  2,311,657

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1943
  81 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
  • 015 - Brushing, scrubbing, and general cleaning
  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces