3877402

Information

• Patent Grant
• 3877402

• References
• Source

• Patent Number

  3,877,402

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • F27D1/021 - Suspended roofs
  • F23M5/06 - Crowns or roofs for combustion chambers

• US Classifications

  • 110 - Furnaces
  • 432 - Heating