1521208

Information

• Patent Grant
• 1521208

• References
• Source

• Patent Number

  1,521,208

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  99 years ago

• CPC

  • G04B3/045 - Storing the operating element, also bringing it out of storage

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 242 - Winding, tensioning, or guiding
  • 968 - Horology