3456492

Information

• Patent Grant
• 3456492

• References
• Source

• Patent Number

  3,456,492

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • F02D35/027 - using knock sensors
  • G01L23/225 - circuit arrangements therefor
  • G01N33/2817 - using a test engine
  • F02M2700/05 - Miscellaneous constructional elements Leakage detection

• US Classifications

  • 073 - Measuring and testing