Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 411/420
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Externally threaded fastener element, e.g., bolt, screw, etc. > Thread or shank structure > Circumferentially interrupted thread > By longitudinal slot > Inclined slot
Description: Subject matter wherein the groove is at an angle to the fastening means axis.

Sub-classes under this class:

Class Number Class Name Patents
411/421 Helically oriented 22

Patents under this class:

Patent Number Title Of Patent Date Issued
8647038 Fastener with shaving inhibitor Feb. 11, 2014
5863165 Self-tapping screw Jan. 26, 1999
5667348 Screw for fibrous boards Sep. 16, 1997
5599149 Self-tapping floor screw Feb. 4, 1997
4425066 Drill screw Jan. 10, 1984

  Recently Added Patents
Tap initialization of equalizer based on estimated channel impulse response
Mobile interactive kiosk method
Coordinate measuring device and method for measuring with a coordinate measuring device
Nucleotide sequence coding for variable regions of .beta. chains of human T lymphocyte receptors, corresponding peptide segments and the diagnostic and therapeutic uses
Vehicle running control system
Amnion-derived cells, methods of making and uses thereof
Medical device arm
  Randomly Featured Patents
Fermentation broth degassification
Phase adjusting gears having harmonic type planet wheels
Electric fence standard
Photon induced cleaning of a reaction chamber
Lactam glycogen phosphorylase inhibitors and method of use
Laminated member and method of making same
Vehicular bumper structure
Circuit substrate, electro-optical device, and electronic apparatus
Integrated laser/FLIR rangefinder
Variable gain amplifier