3355875

Information

• Patent Grant
• 3355875

• References
• Source

• Patent Number

  3,355,875

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1967
  57 years ago

• CPC

  • G04B37/225 - Non-metallic cases
  • G04B37/22 - Materials or processes of manufacturing pocket watch or wrist watch cases
  • G04B39/00 - Watch crystals Fastening or sealing of crystals Clock glasses
  • G04B39/025 - without special sealing parts

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology