3316707

Information

• Patent Grant
• 3316707

• References
• Source

• Patent Number

  3,316,707

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1967
  57 years ago

• CPC

  • G04B23/10 - with pre-signal with repeated signal with changeable intensity of sound
  • G04B23/06 - adjustable for several preselected times with automatic stopping of the signal

• US Classifications

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