1977521

Information

• Patent Grant
• 1977521

• References
• Source

• Patent Number

  1,977,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • F23D11/08 - using a vertical shaft
  • F23D2900/14005 - Rotary gas burner

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing
  • 431 - Combustion