2220526

Information

• Patent Grant
• 2220526

• References
• Source

• Patent Number

  2,220,526

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  84 years ago

• CPC

  • G03B27/12 - for automatic repeated copying of the same original

• US Classifications

  • 355 - Photocopying
  • 271 - Sheet feeding or delivering