3749301

Information

• Patent Grant
• 3749301

• References
• Source

• Patent Number

  3,749,301

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • B65D55/02 - Locking devices Means for discouraging or indicating unauthorised opening or removal of closure
  • B65D5/6673 - the lid being held in closed position by application of separate elements
  • B65D2313/04 - of magnetic type
  • Y10S428/90 - Magnetic feature
  • Y10T24/32 - having magnetic fastener
  • Y10T292/11 - Magnetic

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 024 - Buckles, buttons, clasps, etc.
  • 220 - Receptacles
  • 292 - Closure fasteners
  • 428 - Stock material or miscellaneous articles