3445913

Information

• Patent Grant
• 3445913

• References
• Source

• Patent Number

  3,445,913

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • G04B39/00 - Watch crystals Fastening or sealing of crystals Clock glasses
  • G04D1/10 - Devices for opening or closing watch bottoms or covers
  • G04D3/067 - Setting or taking apart, whereby a temporary deformation of the glass may take place
  • Y10T29/49584 - having case, cover, or back
  • Y10T29/49822 - by applying force
  • Y10T29/5347 - Crystal to watch or clock

• US Classifications

  • 029 - Metal working
  • 081 - Tools
  • 968 - Horology