1017678

Information

• Patent Grant
• 1017678

• References
• Source

• Patent Number

  1,017,678

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1912
  112 years ago

• CPC

  • G04B17/225 - with pendulums

• US Classifications

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