1887874

Information

• Patent Grant
• 1887874

• References
• Source

• Patent Number

  1,887,874

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1932
  92 years ago

• CPC

  • H01T1/08 - using flow of arc-extinguishing fluid

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 313 - Electric lamp and discharge devices