3815351

Information

• Patent Grant
• 3815351

• References
• Source

• Patent Number

  3,815,351

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • G04C10/00 - Arrangements of electric power supplies in time pieces
  • G04C3/14 - incorporating a stepping motor
  • G04C17/005 - by discs
  • G04C17/0058 - with date indication

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology