Screw nut

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Description

FIG. 1 is a perspective view of a screw nut;

FIG. 2 is a front view of a screw nut;

FIG. 3 is a rear view of a screw nut;

FIG. 4 is a left side view of a screw nut;

FIG. 5 is a right side view of a screw nut;

FIG. 6 is a top view of a screw nut; and,

FIG. 7 is a bottom view of a screw nut.

The broken line showing of the screw nut in FIG. 8 is for environmental purposes only and forms no part of the claimed design.

Claims

The ornamental design for a screw nut, as shown and described.

Referenced Cited
U.S. Patent Documents
3522830 August 1970 Blizard
4134438 January 16, 1979 Frieberg
4207938 June 17, 1980 Mortus
D311131 October 9, 1990 Saito
5188495 February 23, 1993 Jones, Jr.
D459207 June 25, 2002 Miyata
D524149 July 4, 2006 Kim
D551972 October 2, 2007 Jacobs
7374382 May 20, 2008 Bentrim
D609999 February 16, 2010 Andersson
D646153 October 4, 2011 Andersson
D646154 October 4, 2011 Andersson
D679988 April 16, 2013 Yamazaki
D738714 September 15, 2015 Kuhmichel
9377047 June 28, 2016 Hill
D798701 October 3, 2017 Hill
D799315 October 10, 2017 May
20080022505 January 31, 2008 Vogel
Patent History
Patent number: D819436
Type: Grant
Filed: May 19, 2017
Date of Patent: Jun 5, 2018
Assignee: KOREA OCCUPATIONAL SAFETY AND HEALTH AGENCY (Ulsan)
Inventors: Ju Dong Park (Gyeongsangnam-do), Jeong Se Lee (Busan), Hyun Sub Lee (Gyeonggi-do)
Primary Examiner: Cynthia Underwood
Application Number: 29/604,785
Classifications
Current U.S. Class: D8/397