3921687

Information

• Patent Grant
• 3921687

• References
• Source

• Patent Number

  3,921,687

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • F16B37/14 - Cap nuts Nut caps or bolt caps
  • F16B37/044 - Nut cages
  • F16B37/048 - Non-releasable devices
  • F16B41/005 - Measures against unauthorised operation of bolts, nuts or pins
  • Y10S411/968 - Deformable base member

• US Classifications

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