3646922

Information

• Patent Grant
• 3646922

• References
• Source

• Patent Number

  3,646,922

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • F02P7/027 - combined with centrifugal advance devices
  • F02P7/073 - Optical pick-up devices

• US Classifications

  • 123 - Internal-combustion engines
  • 200 - Electricity: circuit makers and breakers