3740139

Information

• Patent Grant
• 3740139

• References
• Source

• Patent Number

  3,740,139

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • G03B27/30 - adapted to be combined with processing apparatus
  • G03B27/06 - for automatic repeated copying of the same original

• US Classifications

  • 355 - Photocopying