3731021

Information

• Patent Grant
• 3731021

• References
• Source

• Patent Number

  3,731,021

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • H01H7/03 - with dash-pots

• US Classifications

  • 200 - Electricity: circuit makers and breakers