3457021

Information

• Patent Grant
• 3457021

• References
• Source

• Patent Number

  3,457,021

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • F23D3/28 - Wick-adjusting devices

• US Classifications

  • 431 - Combustion
  • 126 - Stoves and furnaces