2753489

Information

• Patent Grant
• 2753489

• References
• Source

• Patent Number

  2,753,489

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1956
  68 years ago

• CPC

  • H03K19/06 - using vacuum tubes

• US Classifications

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