3867972

Information

• Patent Grant
• 3867972

• References
• Source

• Patent Number

  3,867,972

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  50 years ago

• CPC

  • F16B31/02 - for indicating the attainment of a particular tensile load or limiting tensile load
  • F16B39/10 - by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
  • F16B39/124 - with helically inclined mating surfaces
  • Y10S411/931 - Superposed nuts

• US Classifications

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