2805652

Information

• Patent Grant
• 2805652

• References
• Source

• Patent Number

  2,805,652

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1957
  67 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23N5/242 - using electronic means
  • G01F23/706 - using opto-electrically actuated indicating means
  • G05D9/12 - characterised by the use of electric means
  • F23N2027/36 - Spark ignition
  • F23N2031/08 - for pilot flame failures

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation