2884978

Information

• Patent Grant
• 2884978

• References
• Source

• Patent Number

  2,884,978

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1959
  65 years ago

• CPC

  • F16L41/086 - fixed with screws
  • B64D37/06 - Constructional adaptations thereof
  • B64D2700/62342 - Flexible or foldable panels

• US Classifications

  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes