3524314

Information

• Patent Grant
• 3524314

• References
• Source

• Patent Number

  3,524,314

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1970
  54 years ago

• CPC

  • G04B23/10 - with pre-signal with repeated signal with changeable intensity of sound
  • G04C21/18 - by mechanically unlocking an electro-mechanical vibrator

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology