3215791

Information

• Patent Grant
• 3215791

• References
• Source

• Patent Number

  3,215,791

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1965
  59 years ago

• CPC

  • G04C21/28 - by closing a contact to put into action electro-acoustic means
  • G04C23/30 - with the actuating element carried by a disc

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 348 - Television
  • 455 - Telecommunications
  • 968 - Horology