3028787

Information

• Patent Grant
• 3028787

• References
• Source

• Patent Number

  3,028,787

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1962
  62 years ago

• CPC

  • G03B17/24 - with means for separately producing marks on the film
  • G02B5/1847 - Manufacturing methods
  • G03C5/10 - Reflex-printing Photoprinting using fluorescent or phosphorescent means

• US Classifications

  • 355 - Photocopying
  • 347 - Incremental printing of symbolic information
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements