2859550

Information

• Patent Grant
• 2859550

• References
• Source

• Patent Number

  2,859,550

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1958
  66 years ago

• CPC

  • G03B23/06 - with rotary movement
  • Y10S493/944 - Aperture card or display device with window

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 493 - Manufacturing container or tube from paper