3869219

Information

• Patent Grant
• 3869219

• References
• Source

• Patent Number

  3,869,219

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • F16B25/0089 - the screw having wings
  • E04D3/3606 - the fastening means being screws or nails
  • F16B25/0031 - the screw being designed to be screwed into different materials
  • F16B25/0052 - the ridge having indentations, notches or the like in order to improve the cutting behaviour
  • F16B25/0078 - with a shaft of non-circular cross-section or other special geometric features of the shaft
  • F16B25/103 - by means of a drilling screw-point
  • Y10T403/4966 - Deformation occurs simultaneously with assembly
  • Y10T403/4974 - by piercing
  • Y10T403/7123 - Traversed by connector
  • Y10T403/75 - having a joining piece extending through aligned openings in plural members
  • Y10T408/906 - Axially spaced

• US Classifications

  • 403 - Joints and connections
  • 408 - Cutting by use of rotating axially moving tool
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener