2285372

Information

• Patent Grant
• 2285372

• References
• Source

• Patent Number

  2,285,372

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1942
  82 years ago

• CPC

  • H03D7/1416 - with discharge tubes having more than two electrodes

• US Classifications

  • 455 - Telecommunications
  • 313 - Electric lamp and discharge devices