2450288

Information

• Patent Grant
• 2450288

• References
• Source

• Patent Number

  2,450,288

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1948
  77 years ago

• CPC

  • G01J1/4223 - specially adapted for copy - or printing apparatus

• US Classifications

  • 250 - Radiant energy
  • 396 - Photography