16628

Information

• Patent Grant
• 16628

• References
• Source

• Patent Number

  16,628

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1857
  168 years ago

• CPC

  • G04B19/24386 - sheet-shaped

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting