2227722

Information

• Patent Grant
• 2227722

• References
• Source

• Patent Number

  2,227,722

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1941
  85 years ago

• CPC

  • B65D27/22 - Tongue-and-slot or like closures Tuck-in flaps
  • B65D27/26 - Deformable metallic elements

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes