218502

Information

• Patent Grant
• 218502

• References
• Source

• Patent Number

  218,502

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1879
  145 years ago

• CPC

  • G04B37/062 - Means for preventing the winding stem from being pulled out too far

• US Classifications

  • 368 - Horology: time measuring systems or devices