2257548

Information

• Patent Grant
• 2257548

• References
• Source

• Patent Number

  2,257,548

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • F23D5/045 - with forced draft
  • F23D11/008 - combination of means covered by sub-groups F23D5/00 and F23D11/00

• US Classifications

  • 431 - Combustion