2072256

Information

• Patent Grant
• 2072256

• References
• Source

• Patent Number

  2,072,256

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1937
  88 years ago

• CPC

  • B65D5/6673 - the lid being held in closed position by application of separate elements
  • B65D5/26 - with extensions of opposite sides mutually interlocking to lie against other sides
  • B65D5/643 - held in closed position by application of separate elements

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes