1745770

Information

• Patent Grant
• 1745770

• References
• Source

• Patent Number

  1,745,770

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1930
  95 years ago

• CPC

  • B65D5/30 - with tongue-and-slot or like connections between sides and extensions of other sides
  • B65D5/2057 - Inter-engaging self-locking flaps
  • B65D5/4616 - two opposite closure flaps being provided with handle elements which are in contact with each other

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes