2221345

Information

• Patent Grant
• 2221345

• References
• Source

• Patent Number

  2,221,345

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  85 years ago

• CPC

  • H01R33/962 - for screw type coupling devices
  • H01R33/22 - for screw type base

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 439 - Electrical connectors