3476945

Information

• Patent Grant
• 3476945

• References
• Source

• Patent Number

  3,476,945

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1969
  55 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23N2023/54 - Recording
  • F23N2027/14 - Flame simulation
  • F23N2029/14 - using two or more different types of flame sensor
  • F23N2029/18 - Flame sensor cooling means
  • F23N2031/20 - Warning devices

• US Classifications

  • 250 - Radiant energy
  • 340 - Communications: electrical