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Class Information
Number: 411/417
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
Description: Subject matter wherein the helical ridge has a discontinuity of at least a portion of a depth of a ridge section with the ridge on either side circumferentially thereof being of full depth.










Sub-classes under this class:

Class Number Class Name Patents
411/418 By longitudinal slot 89
411/422 By transversely extending bore 9


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8635894 Hollow bolt comprising a longitudinal bore Jan. 28, 2014
8439617 Self-tapping and self-aligning insert to replace damaged threads May. 14, 2013
8348576 Fastener and fastener assembly with discontinuous threadform Jan. 8, 2013
8323047 Cordset assembly Dec. 4, 2012
8272823 Sealing arrangement for the attachment of a side plate of a centrifugal pump and an attachment screw used therewith Sep. 25, 2012
8235637 Anti-loosen self-tapping screw Aug. 7, 2012
8182185 Self-tapping screw May. 22, 2012
8182186 Screw May. 22, 2012
8057147 Self-drilling anchor Nov. 15, 2011
7988396 Deck screw Aug. 2, 2011
7954179 Water closet bolt Jun. 7, 2011
7780388 Tapping screw Aug. 24, 2010
7762752 Bolt and thread rolling die and the manufacture of the bolt Jul. 27, 2010
7677851 Fastener assembly Mar. 16, 2010
7670091 Bolt and thread rolling die and the manufacture of the bolt Mar. 2, 2010
7654785 Higher fastening screw Feb. 2, 2010
7565078 Thread structure for an optical lens Jul. 21, 2009
7507063 Snap ring with recessed interior contour Mar. 24, 2009
7344346 Fast fasten and loose resistant bolt and nut structure Mar. 18, 2008
7222829 Antenna mounting structure May. 29, 2007
7214020 Looseness resisting screw and stud hole May. 8, 2007
7163366 Screw with two types of threads Jan. 16, 2007
7160073 Tapping screw Jan. 9, 2007
7160072 Method of attaching a functional element; die; functional element; component assembly Jan. 9, 2007
7070376 Self-drilling, self-anchoring fastener for concrete Jul. 4, 2006
7063491 Reverse barb system for screws and nails Jun. 20, 2006
6926484 Threaded fastener for use within multiple substrates Aug. 9, 2005
6676352 Fasteners with improved retaining effect Jan. 13, 2004
6604899 Sealable fastener with circumferential sealant channel and sealant delivery passageway for delivering sealant into the circumferential sealant channel Aug. 12, 2003
6588999 Sealable fastener with sealant delivery passageway to circumferential sealant channel Jul. 8, 2003
6334747 Nut, bolt, and thread unit of female and male thread members Jan. 1, 2002
6176664 Fastening screw and method of forming same Jan. 23, 2001
6158938 Anti-cross threading fastener Dec. 12, 2000
6152666 Screw for use as a fastener in fibrous material such as wood Nov. 28, 2000
6146047 Fastener and fastening structure Nov. 14, 2000
6135689 Self-locking fastener Oct. 24, 2000
5759003 Combined screw and clearance drill Jun. 2, 1998
5687533 Method and apparatus for connecting window frame segments Nov. 18, 1997
5653006 Passenger-side airbag module darted end caps and method of assembly Aug. 5, 1997
5609455 Anticross-threading male fastener Mar. 11, 1997
5564874 Fastening element in the form of a fiber-reinforced ceramic screw and/or nut for ceramic components Oct. 15, 1996
5443331 Threaded bar construction Aug. 22, 1995
5340253 Fastener with thread lock Aug. 23, 1994
5306983 Support device for a picture tube component Apr. 26, 1994
5300076 Percutaneous bone screw for supporting a stereotaxy frame Apr. 5, 1994
5267423 Self-drilling anchor and bearing plate assembly Dec. 7, 1993
5234291 Roof bolts Aug. 10, 1993
5110245 Thread forming screw May. 5, 1992
5064327 Oblique point fastener Nov. 12, 1991
5044853 Thread-cutting screw Sep. 3, 1991

1 2










 
 
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