665889

Information

• Patent Grant
• 665889

• References
• Source

• Patent Number

  665,889

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1901
  124 years ago

• CPC

  • G04B18/026 - Locking the hair spring in the indexing device

• US Classifications

  • 368 - Horology: time measuring systems or devices