2923883

Information

• Patent Grant
• 2923883

• References
• Source

• Patent Number

  2,923,883

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1960
  65 years ago

• CPC

  • H04Q1/18 - Electrical details

• US Classifications

  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices