634919

Information

• Patent Grant
• 634919

• References
• Source

• Patent Number

  634,919

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1899
  125 years ago

• CPC

  • G04B37/0436 - Clockwork movements coming out without springs, for allowing time reading or winding

• US Classifications

  • 368 - Horology: time measuring systems or devices