3638149

Information

• Patent Grant
• 3638149

• References
• Source

• Patent Number

  3,638,149

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  52 years ago

• CPC

  • H01H50/76 - using reed or blade spring
  • H01H51/32 - Frequency relays Mechanically-tuned relays
  • H01H51/34 - Self-interrupters

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets