1369869

Information

• Patent Grant
• 1369869

• References
• Source

• Patent Number

  1,369,869

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1921
  104 years ago

• CPC

  • B21J19/02 - Hearths Air supply arrangements specially adapted therefor

• US Classifications

  • 110 - Furnaces