3825406

Information

• Patent Grant
• 3825406

• References
• Source

• Patent Number

  3,825,406

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • F23C99/00 - Subject-matter not provided for in other groups of this subclass
  • F23C2700/04 - Combustion apparatus using gaseous fuel

• US Classifications

  • 432 - Heating
  • 126 - Stoves and furnaces
  • 219 - Electric heating
  • 392 - Electric resistance heating devices
  • 431 - Combustion