2550309

Information

• Patent Grant
• 2550309

• References
• Source

• Patent Number

  2,550,309

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1951
  73 years ago

• CPC

  • A44B1/18 - adapted for special ways of fastening
  • A44B1/28 - with shank and counterpiece
  • Y10T24/36 - Button with fastener
  • Y10T24/3628 - Integral or rigid stud
  • Y10T428/24008 - including fastener for attaching to external surface
  • Y10T428/24314 - Slit or elongated
  • Y10T428/24488 - Differential nonuniformity at margin

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 002 - Apparel
  • 024 - Buckles, buttons, clasps, etc.