20554

Information

• Patent Grant
• 20554

• References
• Source

• Patent Number

  20,554

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1858
  166 years ago

• CPC

  • G04B37/0472 - Rocking mounting of the clockwork

• US Classifications

  • 368 - Horology: time measuring systems or devices