909515

Information

• Patent Grant
• 909515

• References
• Source

• Patent Number

  909,515

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1909
  115 years ago

• CPC

  • G04B3/06 - Keys or the like with means preventing overwinding

• US Classifications

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