3224487

Information

• Patent Grant
• 3224487

• References
• Source

• Patent Number

  3,224,487

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1965
  59 years ago

• CPC

  • F23N5/08 - using light-sensitive elements
  • F23M11/045 - by oberving the flame
  • F23N5/085 - using electrical or electromechanical means
  • F23N2027/36 - Spark ignition

• US Classifications

  • 431 - Combustion