3668980

Information

• Patent Grant
• 3668980

• References
• Source

• Patent Number

  3,668,980

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • G06K19/022 - Processes or apparatus therefor
  • Y10S493/944 - Aperture card or display device with window
  • Y10T156/1023 - Surface deformation only [e.g., embossing]

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 156 - Adhesive bonding and miscellaneous chemical manufacture