3309696

Information

• Patent Grant
• 3309696

• References
• Source

• Patent Number

  3,309,696

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  58 years ago

• CPC

  • G08B5/30 - with rotating or oscillating members

• US Classifications

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