2221821

Information

• Patent Grant
• 2221821

• References
• Source

• Patent Number

  2,221,821

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • F16B5/06 - by means of clamps or clips
  • A44B17/0011 - Press-button fasteners in which the elastic retaining action is obtained by a spring working in the plane of the fastener
  • Y10T24/45801 - Nonresilient walls define opening
  • Y10T24/45832 - formed from wire

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.