3223861

Information

• Patent Grant
• 3223861

• References
• Source

• Patent Number

  3,223,861

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • H01H51/32 - Frequency relays Mechanically-tuned relays
  • G10K9/18 - Details

• US Classifications

  • 310 - Electrical generator or motor structure
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets