3797471

Information

• Patent Grant
• 3797471

• References
• Source

• Patent Number

  3,797,471

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • F02P3/0556 - Protecting the coil when the engine is stopped
  • F02P3/0453 - Opening or closing the primary coil circuit with semiconductor devices

• US Classifications

  • 123 - Internal-combustion engines