3494695

Information

• Patent Grant
• 3494695

• References
• Source

• Patent Number

  3,494,695

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  54 years ago

• CPC

  • G03F7/70425 - Imaging strategies
  • G03C7/22 - Subtractive cinematographic processes Materials therefor Preparing or processing such materials
  • G03F7/70716 - Stages

• US Classifications

  • 355 - Photocopying
  • 359 - Optical: systems and elements