3251182

Information

• Patent Grant
• 3251182

• References
• Source

• Patent Number

  3,251,182

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1966
  58 years ago

• CPC

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

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 968 - Horology