1518317

Information

• Patent Grant
• 1518317

• References
• Source

• Patent Number

  1,518,317

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1924
  100 years ago

• CPC

  • G04C21/10 - with locking plate

• US Classifications

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