415996

Information

• Patent Grant
• 415996

• References
• Source

• Patent Number

  415,996

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1889
  135 years ago

• CPC

  • G04B37/146 - with the case crown and a clip
  • Y10T29/49586 - having crown, stem, or pendent

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 029 - Metal working