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Class Information
Number: 411/520
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Fastener securing element > Resilient metallic > Sheet metal
Description: Subject matter wherein the element structure is formed from a substantially flat planar piece of metallic material.










Sub-classes under this class:

Class Number Class Name Patents
411/521 Circular 60
411/528 Having longitudinal slit coincident with element axis 5
411/529 Having longitudinal slot forming fastener engaging slide 11
411/525 Having plural longitudinal slits 37
411/522 Parallel legs, e.g., u-shaped, etc. 82


Patents under this class:

Patent Number Title Of Patent Date Issued
8651443 Device for the clamping attachment of a scale Feb. 18, 2014
8186904 Combination mounting ring May. 29, 2012
7985042 Thread cage retainer Jul. 26, 2011
7922419 Combination mounting ring Apr. 12, 2011
7736111 Device for holding screw-like means in position Jun. 15, 2010
7670079 Combination mounting ring Mar. 2, 2010
7524129 Fastener and process for using same Apr. 28, 2009
7399151 Low insertion effort fastener with offset for wing Jul. 15, 2008
7344346 Fast fasten and loose resistant bolt and nut structure Mar. 18, 2008
6786557 Protective wear sleeve having tapered lock and retainer Sep. 7, 2004
6688826 Captive fastener system and retention member Feb. 10, 2004
6619898 Fastener/deflectable retaining ring assembly Sep. 16, 2003
6612796 Push-in fastener assembly with interfering element Sep. 2, 2003
6449157 IC package assembly with retention mechanism Sep. 10, 2002
6361261 Fastener assembly with interference element Mar. 26, 2002
6308483 Roofing fastener assembly Oct. 30, 2001
6006628 Apparatus for attaching a vehicle steering wheel Dec. 28, 1999
5833422 Push nut Nov. 10, 1998
5803692 Pushnut for use in conjunction with a cylindrical shaft having a pair of opposed flat surfaces Sep. 8, 1998
5794394 Anchor bolt centering device Aug. 18, 1998
5422789 Printed circuit board component mounting device Jun. 6, 1995
5285551 Assist strap Feb. 15, 1994
4925350 Screw anchor May. 15, 1990
4810144 Tube connector Mar. 7, 1989
4806064 Compensating roll pin for heat sink mounting Feb. 21, 1989
4801230 Retainer for a fastener Jan. 31, 1989
4776740 Stud fastener Oct. 11, 1988
4773804 Self-securing lock bolt Sep. 27, 1988
H463 Carburetor spring retainer clip May. 3, 1988
4699335 Aircraft window clamping device Oct. 13, 1987
4684305 Fastening clip device Aug. 4, 1987
4666355 Top grip lock nut assembly May. 19, 1987
4597702 Clip for insulation hanger Jul. 1, 1986
4587705 Method of joining a molded first part to a mating part carrying a first thread member May. 13, 1986
4576535 Nonresiliently deformable fastener Mar. 18, 1986
4397067 Safety earnut Aug. 9, 1983
4396328 Coupling pin Aug. 2, 1983
4363581 Sheet metal threaded article Dec. 14, 1982
4311422 Screw retainer Jan. 19, 1982
4139975 Universal retainer assembly Feb. 20, 1979
4036389 Retainer clip and synthetic resin box combination Jul. 19, 1977











 
 
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