3662221

Information

• Patent Grant
• 3662221

• References
• Source

• Patent Number

  3,662,221

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • H01T1/02 - Means for extinguishing arc

• US Classifications

  • 361 - Electricity: electrical systems and devices