3581660

Information

• Patent Grant
• 3581660

• References
• Source

• Patent Number

  3,581,660

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • G03F5/14 - by contact methods
  • B41M1/06 - Lithographic printing
  • G03F5/22 - combining several screens Elimination of moirè
  • G03F5/24 - by multiple exposure

• US Classifications

  • 101 - Printing
  • 430 - Radiation imagery chemistry: process, composition, or product thereof