1383675

Information

• Patent Grant
• 1383675

• References
• Source

• Patent Number

  1,383,675

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1921
  103 years ago

• CPC

  • H01T21/02 - of sparking plugs
  • Y10T29/51 - Plural diverse manufacturing apparatus including means for metal shaping or assembling
  • Y10T29/5195 - Tire valve or spark plug

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 029 - Metal working