2519917

Information

• Patent Grant
• 2519917

• References
• Source

• Patent Number

  2,519,917

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1950
  74 years ago

• CPC

  • G04B3/08 - by parts of the cases
  • G04B3/008 - Winding up several mainsprings or driving weights simultaneously

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 185 - Motors: spring, weight, or animal powered
  • 968 - Horology