2648034

Information

• Patent Grant
• 2648034

• References
• Source

• Patent Number

  2,648,034

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • H01H47/20 - for producing frequency-selective operation of the relay

• US Classifications

  • 361 - Electricity: electrical systems and devices