3139846

Information

• Patent Grant
• 3139846

• References
• Source

• Patent Number

  3,139,846

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • F27D1/022 - Parts thereof
  • C03B5/42 - Details of construction of furnace walls

• US Classifications

  • 110 - Furnaces
  • 432 - Heating