1807502

Information

• Patent Grant
• 1807502

• References
• Source

• Patent Number

  1,807,502

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  93 years ago

• CPC

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

• US Classifications

  • 110 - Furnaces