3770196

Information

• Patent Grant
• 3770196

• References
• Source

• Patent Number

  3,770,196

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • F24H9/2035 - for heaters using fluid combustibles
  • F22B37/42 - Applications, arrangements, or dispositions of alarm or automatic safety devices
  • F22B37/446 - Safety devices responsive to overpressure

• US Classifications

  • 237 - Heating systems
  • 236 - Automatic temperature and humidity regulation