3649121

Information

• Patent Grant
• 3649121

• References
• Source

• Patent Number

  3,649,121

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • G03B27/44 - for multiple copying of the same original at the same time
  • G03C5/08 - Photoprinting Processes and means for preventing photoprinting

• US Classifications

  • 355 - Photocopying