1563084

Information

• Patent Grant
• 1563084

• References
• Source

• Patent Number

  1,563,084

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1925
  99 years ago

• CPC

  • H02M7/533 - using discharge tubes only

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems