1818080

Information

• Patent Grant
• 1818080

• References
• Source

• Patent Number

  1,818,080

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • G03F1/88 - prepared by photographic processes for production of originals simulating relief
  • Y10S430/152 - Making camera copy
  • Y10S430/153 - Multiple image producing on single receiver

• US Classifications

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