3252057

Information

• Patent Grant
• 3252057

• References
• Source

• Patent Number

  3,252,057

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1966
  59 years ago

• CPC

  • H01H51/32 - Frequency relays Mechanically-tuned relays

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 324 - Electricity: measuring and testing
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets