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Class Information
Number: 411/311
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) > Comprising a thread lock > Involving dissimilarities in the sectional configuration of the threads > Resulting in the deformation of one thread by the other > By integral, interference-producing deviations from a standard thread shape > Located in the vicinity of the crest or the root of the thread
Description: Device wherein the regions occur either at the major, or the minor, diameter of the thread.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8511955 Spiral body lock and method Aug. 20, 2013
7793989 Locking connector with depressions Sep. 14, 2010
7780388 Tapping screw Aug. 24, 2010
7677851 Fastener assembly Mar. 16, 2010
7658581 Joining assembly including a plastic support member and a plastic threaded element Feb. 9, 2010
7506901 Resilient locking connection Mar. 24, 2009
7438512 U-bolt assembly Oct. 21, 2008
7410337 Fastener assembly Aug. 12, 2008
7338243 Thread-cutting screw Mar. 4, 2008
7334975 Fastener assembly Feb. 26, 2008
7040850 Fastener for use with frangible material May. 9, 2006
6976818 Threaded fastener particularly suited for plastics Dec. 20, 2005
6974289 Pressure flank screw and fastening system therewith Dec. 13, 2005
6926484 Threaded fastener for use within multiple substrates Aug. 9, 2005
6863483 Screw provided with self-locking thread Mar. 8, 2005
6860690 Screw member with biting features Mar. 1, 2005
6827538 Torque prevailing stud Dec. 7, 2004
6789991 Screw Sep. 14, 2004
6779957 Bolt, method of fastening members with the use of the bolt, and method of releasing fastening Aug. 24, 2004
6599072 Corrosion resisting screw with cutting insert Jul. 29, 2003
6595733 Fastener having torque reducing thread Jul. 22, 2003
6514025 Screw member with elastically deformable features Feb. 4, 2003
6514026 Screw Feb. 4, 2003
6481760 Threaded connection of two metal tubes with groove in the threading Nov. 19, 2002
6478520 Self-threading screw for metal with six formers of prismatic shape Nov. 12, 2002
6447227 Threaded fastener Sep. 10, 2002
6419435 Wedging masonry anchor bolt and sleeve anchor for masonry bolt used in cinder blocks Jul. 16, 2002
6371709 Screws and threadforms Apr. 16, 2002
6349466 Ready to wire terminal assembly with vibration resistant clamping screws Feb. 26, 2002
6336779 Fastening system Jan. 8, 2002
6328516 Screw with cutting edge Dec. 11, 2001
6216510 Method of producing self-lock screw Apr. 17, 2001
6152666 Screw for use as a fastener in fibrous material such as wood Nov. 28, 2000
6135689 Self-locking fastener Oct. 24, 2000
6056491 Screw having cutting teeth formed on threads thereof May. 2, 2000
5983450 Through-wall bushing Nov. 16, 1999
5957646 Enhanced strength screw-type masonry anchor Sep. 28, 1999
5895187 Pilot screw Apr. 20, 1999
5868536 Male screw and method for manufacturing same Feb. 9, 1999
5672037 Loosening and dislodging preventing screw Sep. 30, 1997
5456685 Interference screw having a tapered back root Oct. 10, 1995
5385439 Radial extrusion thread-forming screw Jan. 31, 1995
5358366 Screw and thread rolling die Oct. 25, 1994
5340254 Thread forming screw for forming an internal thread in a low ductility material Aug. 23, 1994
5282707 Fastening system for locking nut with torque indicating marks Feb. 1, 1994
5273383 Threaded fastener for use in thermoplastics and roll die for producing same Dec. 28, 1993
5259715 Self-locking threaded connection Nov. 9, 1993
5242252 Self-locking threaded connection Sep. 7, 1993
5194214 Tube plug and method for plugging a tube Mar. 16, 1993
5143498 Roofing fastening device Sep. 1, 1992

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