3812895

Information

• Patent Grant
• 3812895

• References
• Source

• Patent Number

  3,812,895

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • B21D28/34 - Perforating tools Die holders
  • F16B39/101 - with a plate, spring, wire or ring holding two or more nuts or bolt heads which are mainly in the same plane
  • F16B41/002 - Measures against loss of bolts, nuts or pins
  • Y10S411/969 - Deformable retainer
  • Y10S411/999 - with retainer
  • Y10T83/9476 - Tool is single element with continuous cutting edge [e.g., punch, etc.]

• US Classifications

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