199419

Information

• Patent Grant
• 199419

• References
• Source

• Patent Number

  199,419

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1878
  147 years ago

• CPC

  • G04F1/04 - by movement or acceleration due to gravity

• US Classifications

  • 368 - Horology: time measuring systems or devices