417753

Information

• Patent Grant
• 417753

• References
• Source

• Patent Number

  417,753

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1889
  135 years ago

• CPC

  • G04C13/0472 - by starting an independent mechanical driving devices

• US Classifications

  • 368 - Horology: time measuring systems or devices