1735843

Information

• Patent Grant
• 1735843

• References
• Source

• Patent Number

  1,735,843

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1929
  95 years ago

• CPC

  • B65D27/20 - using self-locking integral or attached elements
  • Y10T292/498 - Rigid engaging means

• US Classifications

  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 292 - Closure fasteners