1456138

Information

• Patent Grant
• 1456138

• References
• Source

• Patent Number

  1,456,138

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1923
  101 years ago

• CPC

  • F23H9/10 - and modified to move fuel along the grate

• US Classifications

  • 110 - Furnaces