1875043

Information

• Patent Grant
• 1875043

• References
• Source

• Patent Number

  1,875,043

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1932
  92 years ago

• CPC

  • H02J7/241 - using discharge tubes only

• US Classifications

  • 322 - Electricity: single generator systems
  • 313 - Electric lamp and discharge devices