3553619

Information

• Patent Grant
• 3553619

• References
• Source

• Patent Number

  3,553,619

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • G08B5/30 - with rotating or oscillating members
  • H01F7/145 - Rotary electromagnets with variable gap

• US Classifications

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