2927857

Information

• Patent Grant
• 2927857

• References
• Source

• Patent Number

  2,927,857

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1960
  64 years ago

• CPC

  • G03C7/22 - Subtractive cinematographic processes Materials therefor Preparing or processing such materials

• US Classifications

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