3906715

Information

• Patent Grant
• 3906715

• References
• Source

• Patent Number

  3,906,715

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • G04B19/25 - Devices for setting the date indicators manually
  • C22C27/04 - Alloys based on tungsten or molybdenum
  • G04B19/21 - Drums
  • G04B19/2573 - Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
  • G04B23/00 - Arrangements producing acoustic signals at preselected times
  • G04C23/16 - acting only at one preselected time or during one adjustable time interval

• US Classifications

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