353933

Information

• Patent Grant
• 353933

• References
• Source

• Patent Number

  353,933

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1886
  138 years ago

• CPC

  • G04B37/0016 - with folding cover or folding bottom (hinge without spring)
  • G04D3/0074 - for treatment of the material

• US Classifications

  • 368 - Horology: time measuring systems or devices