3499377

Information

• Patent Grant
• 3499377

• References
• Source

• Patent Number

  3,499,377

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  55 years ago

• CPC

  • G03B27/6242 - Masks; Overlays; Transparent carriers
  • Y10S430/152 - Making camera copy

• US Classifications

  • 355 - Photocopying
  • 040 - Card, picture, or sign exhibiting
  • 430 - Radiation imagery chemistry: process, composition, or product thereof