2921234

Information

• Patent Grant
• 2921234

• References
• Source

• Patent Number

  2,921,234

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • H04Q1/18 - Electrical details

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems