2561497

Information

• Patent Grant
• 2561497

• References
• Source

• Patent Number

  2,561,497

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1951
  74 years ago

• CPC

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

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 101 - Printing