3789658

Information

• Patent Grant
• 3789658

• References
• Source

• Patent Number

  3,789,658

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  50 years ago

• CPC

  • F02P17/02 - Checking or adjusting ignition timing
  • F02P17/08 - using a cathode-ray oscilloscope
  • G01D7/00 - Indicating measured values
  • G01D13/10 - with adjustable scales with auxiliary scales
  • G01M15/05 - by combined monitoring of two or more different engine parameters
  • G01M15/102 - by monitoring exhaust gases
  • G01R31/007 - using microprocessors or computers

• US Classifications

  • 073 - Measuring and testing
  • 324 - Electricity: measuring and testing