3391721

Information

• Patent Grant
• 3391721

• References
• Source

• Patent Number

  3,391,721

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1968
  56 years ago

• CPC

  • F16B37/125 - the external surface of the insert being threaded
  • F16B39/284 - Locking by means of elastic deformation
  • Y10S411/937 - Distorted nut
  • Y10S411/938 - Distorted thread

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 470 - Threaded, headed fastener, or washer making: process and apparatus