2240788

Information

• Patent Grant
• 2240788

• References
• Source

• Patent Number

  2,240,788

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1941
  83 years ago

• CPC

  • H03B7/10 - active element being gas-discharge or arc-discharge tube

• US Classifications

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