2790300

Information

• Patent Grant
• 2790300

• References
• Source

• Patent Number

  2,790,300

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1957
  67 years ago

• CPC

  • G04B19/24333 - driven or released stepwise by an energy source which is released at determined moments by the clockwork movement

• US Classifications

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