1984396

Information

• Patent Grant
• 1984396

• References
• Source

• Patent Number

  1,984,396

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1934
  90 years ago

• CPC

  • H01H33/58 - Silencers for suppressing noise of switch operation

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 055 - Gas separation
  • 181 - Acoustics