3444774

Information

• Patent Grant
• 3444774

• References
• Source

• Patent Number

  3,444,774

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1969
  55 years ago

• CPC

  • F16B21/205 - the connecting means having gripping edges in the form of a helix
  • Y10S411/918 - Threadless nut

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener