3679951

Information

• Patent Grant
• 3679951

• References
• Source

• Patent Number

  3,679,951

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • H01H43/121 - using a drum
  • Y10T307/951 - With time delay or retardation means

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems