3467524

Information

• Patent Grant
• 3467524

• References
• Source

• Patent Number

  3,467,524

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1969
  55 years ago

• CPC

  • G03F5/02 - by projection methods
  • G03B15/00 - Special procedures for taking photographs Apparatus therefor
  • G03B27/66 - specially adapted for holding half-tone screens
  • G03F7/20 - Exposure Apparatus therefor

• US Classifications

  • 359 - Optical: systems and elements
  • 355 - Photocopying
  • 430 - Radiation imagery chemistry: process, composition, or product thereof