2100644

Information

• Patent Grant
• 2100644

• References
• Source

• Patent Number

  2,100,644

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1937
  87 years ago

• CPC

  • B65D5/6673 - the lid being held in closed position by application of separate elements
  • Y10T292/0903 - Seal catch

• US Classifications

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