290869

Information

• Patent Grant
• 290869

• References
• Source

• Patent Number

  290,869

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1883
  141 years ago

• CPC

  • G04B37/0008 - for pocket watches and wrist watches
  • G04D3/0074 - for treatment of the material

• US Classifications

  • 368 - Horology: time measuring systems or devices