1993819

Information

• Patent Grant
• 1993819

• References
• Source

• Patent Number

  1,993,819

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1935
  89 years ago

• CPC

  • F23H9/08 - the bars being rocked about their longitudinal axes

• US Classifications

  • 126 - Stoves and furnaces
  • 110 - Furnaces