3020371

Information

• Patent Grant
• 3020371

• References
• Source

• Patent Number

  3,020,371

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1962
  62 years ago

• CPC

  • F24H9/2064 - for air heaters
  • F23L17/00 - Inducing draught
  • F24D19/1084 - for air heating systems
  • F23L2700/001 - Installations for increasing draught in chimneys

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 236 - Automatic temperature and humidity regulation