2977428

Information

• Patent Grant
• 2977428

• References
• Source

• Patent Number

  2,977,428

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  64 years ago

• CPC

  • H03J5/32 - Stationary tuning circuits or elements selected by push-button
  • H01H9/16 - Indicators for switching condition
  • H01H13/74 - each contact set returning to its original state only upon actuation of another of the operating members

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 116 - Signals and indicators