3555812

Information

• Patent Grant
• 3555812

• References
• Source

• Patent Number

  3,555,812

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • G04D1/10 - Devices for opening or closing watch bottoms or covers
  • G04B37/08 - Hermetic sealing of openings, joints, passages or slits
  • G04B39/02 - Sealing crystals or glasses
  • G04D3/067 - Setting or taking apart, whereby a temporary deformation of the glass may take place

• US Classifications

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