1051553

Information

• Patent Grant
• 1051553

• References
• Source

• Patent Number

  1,051,553

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1913
  112 years ago

• CPC

  • G04C3/021 - using mechanical coupling

• US Classifications

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