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Class Information
Number: 411/453
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Impact driven fastener, e.g., nail, spike, tack, etc. > Including integral locking means > Comprising protrusion or recess on shank > Longitudinal rib > Spiral rib
Description: Subject matter wherein the ridge extends in a helical path about the fastener shank.










Sub-classes under this class:

Class Number Class Name Patents
411/454 Defined by twisted shank 8


Patents under this class:

Patent Number Title Of Patent Date Issued
8616817 Screw nail Dec. 31, 2013
8529180 Super spike Sep. 10, 2013
8511961 Fastener and method of prolonging use of a driver blade in a fastening tool Aug. 20, 2013
8449237 Knurled pin fastener and method of forming a knurled pin fastener May. 28, 2013
8348572 Hole-forming and thread-forming screw Jan. 8, 2013
8333539 Fastener Dec. 18, 2012
7866116 Method for connecting layers of nailable material together Jan. 11, 2011
7819614 Deformed shank fastener Oct. 26, 2010
7665942 Nail with multiple shank deformations Feb. 23, 2010
7520710 Fastening element Apr. 21, 2009
7429143 Detachable fastening system Sep. 30, 2008
7374384 Fasteners for securing pallet members together May. 20, 2008
7306419 Fastener Dec. 11, 2007
7232283 Pin fastener for achieving metal-to-metal connections Jun. 19, 2007
7214021 Helical grooved pin May. 8, 2007
7207761 Pin fastener for achieving metal-to-metal connections Apr. 24, 2007
6926483 Joining assembly for joining a pair of structural members Aug. 9, 2005
6808120 Rail anchoring spike Oct. 26, 2004
6805525 Drive pin for fastening to a sheet-metal framing member Oct. 19, 2004
6802682 Spiraled self-piercing rivet Oct. 12, 2004
6729531 Fastener and a method for attaching metal members therewith May. 4, 2004
6692207 One-piece metallic threaded insert Feb. 17, 2004
6669425 Self-threading fastener for connecting an article to a surface upon movement of the article towards the fastener Dec. 30, 2003
6471140 Rail anchoring spike Oct. 29, 2002
5749692 Fastener with polymer-coated shank May. 12, 1998
5741104 Steel fastener having grooved shank Apr. 21, 1998
5642974 Fastener and building assembly comprising workpiece, substrate, and fastener Jul. 1, 1997
5575601 Helix fastener assembly Nov. 19, 1996
5489179 Fastener and building assembly comprising workpiece, substrate, and fastener Feb. 6, 1996
5476351 Method and apparatus for forming a head on a fastener and a fastener formed therefrom Dec. 19, 1995
5452557 Aluminum framing Sep. 26, 1995
RE34928 Screw threaded fasteners May. 2, 1995
5375957 Impact drivable fastener Dec. 27, 1994
5230597 Fastener Jul. 27, 1993
5143473 Securing device with fastening element having rotation stopping means Sep. 1, 1992
5127785 Hanger nail for suspended ceiling Jul. 7, 1992
4941788 Screw threaded fasteners Jul. 17, 1990
4925353 Drive fastening system May. 15, 1990
4846655 Spike for lawn edging or the like Jul. 11, 1989
4420918 Stake notably for measuring the electrical resistances of ground connections Dec. 20, 1983
4350464 Anchor bolt for concrete Sep. 21, 1982
3977142 Floor nail Aug. 31, 1976











 
 
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