3715781

Information

• Patent Grant
• 3715781

• References
• Source

• Patent Number

  3,715,781

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • A44B1/30 - Screw-buttons
  • A44B1/28 - with shank and counterpiece
  • Y10T24/367 - Covers
  • Y10T24/3672 - Metal or plastic caps
  • Y10T24/3694 - Ornamental type

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener