2318440

Information

• Patent Grant
• 2318440

• References
• Source

• Patent Number

  2,318,440

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1943
  81 years ago

• CPC

  • H01T13/12 - Means on sparking plugs for facilitating engagement by tool or by hand

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 123 - Internal-combustion engines
  • 313 - Electric lamp and discharge devices