1805187

Information

• Patent Grant
• 1805187

• References
• Source

• Patent Number

  1,805,187

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1931
  93 years ago

• CPC

  • H03B11/08 - interrupter being discharge tube

• US Classifications

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