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Class Information
Number: 411/419
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 > Shank bifurcated by slot extending entirely therethrough
Description: Subject matter wherein the groove passes transversely through and divides a shank of the fastening means into laterally spaced sections.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7168486 |
Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
Jan. 30, 2007 |
| 6581896 |
Baluster clamp |
Jun. 24, 2003 |
| 6517543 |
Bone connector system with anti-rotational feature |
Feb. 11, 2003 |
| 6354779 |
Self-drilling anchor bolt |
Mar. 12, 2002 |
| 6280133 |
Screw including a moldable mass to secure the screw against unintended loosening |
Aug. 28, 2001 |
| 6220805 |
Slotted screw and method, and apparatus for forming a slot in a semi-product of a screw prior to thread formation |
Apr. 24, 2001 |
| 6139236 |
Board anchor |
Oct. 31, 2000 |
| 5980149 |
Sampling arm coupler |
Nov. 9, 1999 |
| 5755543 |
Machine screw |
May. 26, 1998 |
| 5692864 |
Self-threading anchor with spreadable leg portions joined by a frangible drill end portion |
Dec. 2, 1997 |
| 5628601 |
Oil pan bolt with retaining means |
May. 13, 1997 |
| 5372532 |
Swivel head cap connector |
Dec. 13, 1994 |
| 5292217 |
Quick fastener |
Mar. 8, 1994 |
| 5228818 |
Fastener system for male and female threaded members |
Jul. 20, 1993 |
| 5169270 |
Compressible screw-type locking mechanism |
Dec. 8, 1992 |
| 4339218 |
Self-locking fastener |
Jul. 13, 1982 |
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