3304989

Information

• Patent Grant
• 3304989

• References
• Source

• Patent Number

  3,304,989

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1967
  57 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23N5/085 - using electrical or electromechanical means
  • F23N5/20 - with a time programme acting through electrical means
  • F23N5/08 - using light-sensitive elements
  • F23N2027/36 - Spark ignition
  • F23N2029/04 - sensitive to the colour of flames

• US Classifications

  • 431 - Combustion