3601830

Information

• Patent Grant
• 3601830

• References
• Source

• Patent Number

  3,601,830

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1971
  53 years ago

• CPC

  • F16B39/28 - by special members on, or shape of, the nut or bolt
  • B21H3/025 - Rolling locking screws
  • F16B39/284 - Locking by means of elastic deformation
  • Y10S411/938 - Distorted thread

• US Classifications

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