299740

Information

• Patent Grant
• 299740

• References
• Source

• Patent Number

  299,740

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1884
  140 years ago

• CPC

  • F24H1/187 - using solid fuel

• US Classifications

  • 126 - Stoves and furnaces
  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation
  • 237 - Heating systems
  • 251 - Valves and valve actuation