51411

Information

• Patent Grant
• 51411

• References
• Source

• Patent Number

  51,411

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1865
  159 years ago

• CPC

  • G04B19/305 - the hands carrying the light source

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 362 - Illumination