2503222

Information

• Patent Grant
• 2503222

• References
• Source

• Patent Number

  2,503,222

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1950
  74 years ago

• CPC

  • B65D55/04 - Spring clips
  • Y10T292/0894 - Spring arm
  • Y10T292/205 - Ring

• US Classifications

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