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Class Information
Number: 411/411
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Externally threaded fastener element, e.g., bolt, screw, etc. > Thread or shank structure
Description: Subject matter wherein significance is attributed to either that portion of the fastening means between a head and the helical ridge, i.e., the shank or the helical ridge.










Sub-classes under this class:

Class Number Class Name Patents
411/414 Buttress thread 46
411/417 Circumferentially interrupted thread 90
411/416 Lobular thread 51
411/415 Of varying thread pitch 24
411/412 Plural threads on single shank 159
411/424 Shank structure 166
411/423 Truncated thread 39


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8684646 Thread forming fastener Apr. 1, 2014
8678732 System for fixing accessories on frames made of metal material for doors, windows, and the like Mar. 25, 2014
8671547 Fastening member and fastening structure Mar. 18, 2014
8632288 Anti cross-thread bolt Jan. 21, 2014
8616816 Screw for composite/plastic materials Dec. 31, 2013
8616817 Screw nail Dec. 31, 2013
8602781 Dental implant with interlocking and centering threads Dec. 10, 2013
8556556 Screw with breakaway and methods of using the same Oct. 15, 2013
8517654 Threaded bolt Aug. 27, 2013
8511958 Screw with double notches Aug. 20, 2013
8511960 Microscale and millimeter scale devices including threaded elements, methods for designing, and methods for making Aug. 20, 2013
8511962 Connecting member Aug. 20, 2013
8506227 Thread forming screw thread and corresponding thread roll die Aug. 13, 2013
8506226 Security screw Aug. 13, 2013
8485769 Self-tapping screw Jul. 16, 2013
8454287 Fastener Jun. 4, 2013
8430617 Screw anchor for fastening add-on parts in concrete or brickwork Apr. 30, 2013
8426753 Gravimetric measuring instrument with releasable load receiver Apr. 23, 2013
8419332 Non-dimpling fastener Apr. 16, 2013
8408855 Screw Apr. 2, 2013
8403972 Thread-forming screw Mar. 26, 2013
8382415 Rapid-engaging and positive-locking threaded configuration Feb. 26, 2013
8371787 Self-tapping screw Feb. 12, 2013
8360702 Screw Jan. 29, 2013
8353655 Floor anchor Jan. 15, 2013
8348572 Hole-forming and thread-forming screw Jan. 8, 2013
8342788 Chiplessly thread-forming screw Jan. 1, 2013
8322960 Threaded concrete anchor 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
8226340 Framework for access control without barring location area code Jul. 24, 2012
8192124 Self-drilling screw Jun. 5, 2012
8192123 Drywall fastener Jun. 5, 2012
8182186 Screw May. 22, 2012
8109706 Composite fastener, belly nut, tie system and/or method for reducing heat transfer through a building envelope Feb. 7, 2012
8070403 Screw with breakaway and methods of using the same Dec. 6, 2011
8057147 Self-drilling anchor Nov. 15, 2011
8020295 Methods for dimensionally restoring a fastener for a gas turbine engine Sep. 20, 2011
7997842 Threaded connection Aug. 16, 2011
7963732 Threaded fastener Jun. 21, 2011
7938609 Tightening structure using high-strength self-forming screws May. 10, 2011
7914245 Screw Mar. 29, 2011
RE42207 Masonry anchor device Mar. 8, 2011
7862279 Screw Jan. 4, 2011
7862280 Saw tooth screw Jan. 4, 2011
7819385 High aspect ratio threadform Oct. 26, 2010
7798756 Screw with waved thread Sep. 21, 2010
7785055 Thread forming screw Aug. 31, 2010
7780388 Tapping screw Aug. 24, 2010
7731466 Thread profile modification for controlled stiffness Jun. 8, 2010
7717658 Bolt assembly May. 18, 2010

1 2 3 4 5 6










 
 
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