3394003

Information

• Patent Grant
• 3394003

• References
• Source

• Patent Number

  3,394,003

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1968
  57 years ago

• CPC

  • G03C5/02 - Sensitometric processes
  • G03B27/28 - Edge-masking devices
  • G03B27/727 - Optical projection devices wherein the contrast is controlled optically (

• US Classifications

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