3633355

Information

• Patent Grant
• 3633355

• References
• Source

• Patent Number

  3,633,355

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • G04B19/12 - Selection of materials for dials or graduations markings
  • G04B19/04 - Hands discs with a single mark or the like
  • G04B19/103 - attached or inlaid numbers
  • G04B19/18 - Graduations on the crystal or glass, on the bezel, or on the rim
  • G04B39/004 - from a material other than glass

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements
  • 968 - Horology