1715521

Information

• Patent Grant
• 1715521

• References
• Source

• Patent Number

  1,715,521

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1929
  95 years ago

• CPC

  • G04B19/044 - Mounting and setting of the hands on the axle
  • G04B1/225 - with the aid of an interposed power-accumulator (secondary spring) which is always tensioned

• US Classifications

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