1562952

Information

• Patent Grant
• 1562952

• References
• Source

• Patent Number

  1,562,952

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1925
  99 years ago

• CPC

  • H03B11/08 - interrupter being discharge tube

• US Classifications

  • 178 - Telegraphy
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems