1567928

Information

• Patent Grant
• 1567928

• References
• Source

• Patent Number

  1,567,928

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1925
  99 years ago

• CPC

  • H03B11/08 - interrupter being discharge tube

• US Classifications

  • 331 - Oscillators
  • 315 - Electric lamp and discharge devices: systems