3381466

Information

• Patent Grant
• 3381466

• References
• Source

• Patent Number

  3,381,466

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • G04B23/10 - with pre-signal with repeated signal with changeable intensity of sound
  • Y10S56/15 - Condition responsive

• US Classifications

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