3523403

Information

• Patent Grant
• 3523403

• References
• Source

• Patent Number

  3,523,403

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1970
  54 years ago

• CPC

  • B65D75/522 - Inspection openings or windows
  • B65B11/52 - one sheet being rendered plastic
  • B65D73/0092 - combined with a preformed enclosure
  • B65D75/26 - Articles or materials wholly enclosed in laminated sheets or wrapper blanks
  • B65D75/30 - Articles or materials enclosed between two opposed sheets or blanks having their margins united
  • Y10S493/905 - having window

• US Classifications

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