2638040

Information

• Patent Grant
• 2638040

• References
• Source

• Patent Number

  2,638,040

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • B41B13/02 - the characters being composed or mounted by hand, and photographed simultaneously

• US Classifications

  • 355 - Photocopying
  • 040 - Card, picture, or sign exhibiting
  • 312 - Supports: cabinet structure
  • 396 - Photography
  • D18 - Printing and office machinery