3197139

Information

• Patent Grant
• 3197139

• References
• Source

• Patent Number

  3,197,139

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1965
  59 years ago

• CPC

  • F23N5/045 - using electrical or electromechanical means
  • F24H9/2035 - for heaters using fluid combustibles

• US Classifications

  • 236 - Automatic temperature and humidity regulation