1985928

Information

• Patent Grant
• 1985928

• References
• Source

• Patent Number

  1,985,928

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1935
  90 years ago

• CPC

  • H01H33/162 - Liquid resistors
  • H01H9/0005 - Tap change devices

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 200 - Electricity: circuit makers and breakers
  • 218 - High-voltage switches with arc preventing or extinguishing devices