3725979

Information

• Patent Grant
• 3725979

• References
• Source

• Patent Number

  3,725,979

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  52 years ago

• CPC

  • A44B1/30 - Screw-buttons
  • Y10S411/948 - Longitudinal key
  • Y10T24/3653 - Screw
  • Y10T24/45942 - having threaded formation

• US Classifications

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