3308617

Information

• Patent Grant
• 3308617

• References
• Source

• Patent Number

  3,308,617

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  57 years ago

• CPC

  • G04B23/08 - operating on successive days without resetting operating only once in each 24 hours
  • G04C21/00 - Producing acoustic time signals by electrical means
  • G04C21/36 - Signal repeating devices
  • G04C23/16 - acting only at one preselected time or during one adjustable time interval

• US Classifications

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