3565527

Information

• Patent Grant
• 3565527

• References
• Source

• Patent Number

  3,565,527

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1971
  53 years ago

• CPC

  • G03F5/16 - using grey half-tone screens

• US Classifications

  • 355 - Photocopying
  • 396 - Photography
  • 430 - Radiation imagery chemistry: process, composition, or product thereof