3140824

Information

• Patent Grant
• 3140824

• References
• Source

• Patent Number

  3,140,824

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1964
  60 years ago

• CPC

  • F24D1/02 - operating with live steam
  • F24D19/1003 - for steam heating systems

• US Classifications

  • 237 - Heating systems
  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation
  • 392 - Electric resistance heating devices