2713293

Information

• Patent Grant
• 2713293

• References
• Source

• Patent Number

  2,713,293

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1955
  69 years ago

• CPC

  • G03B19/08 - with provision for alternative use with plates or cut-films

• US Classifications

  • 396 - Photography