1440969

Information

• Patent Grant
• 1440969

• References
• Source

• Patent Number

  1,440,969

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1923
  102 years ago

• CPC

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

• US Classifications

  • 110 - Furnaces