3638980

Information

• Patent Grant
• 3638980

• References
• Source

• Patent Number

  3,638,980

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • F16B39/08 - with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
  • Y10S411/945 - Cross key
  • Y10S411/947 - Elastic-gripping action
  • Y10S411/999 - with retainer

• US Classifications

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