1852474

Information

• Patent Grant
• 1852474

• References
• Source

• Patent Number

  1,852,474

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1932
  92 years ago

• CPC

  • G04B19/2436 - Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology