3734402

Information

• Patent Grant
• 3734402

• References
• Source

• Patent Number

  3,734,402

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • F22B35/00 - Control systems for steam boilers
  • F22B37/47 - responsive to abnormal temperature

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 122 - Liquid heaters and vaporizers
  • 374 - Thermal measuring and testing