3442438

Information

• Patent Grant
• 3442438

• References
• Source

• Patent Number

  3,442,438

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1969
  55 years ago

• CPC

  • B65D27/36 - Finger openings, slots, or gripping tabs

• US Classifications

  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes
  • D19 - Office supplies