3644965

Information

• Patent Grant
• 3644965

• References
• Source

• Patent Number

  3,644,965

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • A44B1/32 - Shank inserted into counterpiece and locked by sliding or rotating
  • A44B1/28 - with shank and counterpiece
  • A44B1/34 - with snap-action counterpiece
  • Y10T24/366 - Resilient socket
  • Y10T24/3662 - Rotating head
  • Y10T24/3685 - Button with shank for friction grip fastener

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.