1561620

Information

• Patent Grant
• 1561620

• References
• Source

• Patent Number

  1,561,620

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1925
  99 years ago

• CPC

  • F23H11/04 - with the bars pivoted at one side

• US Classifications

  • 110 - Furnaces