Screw nut
Latest KOREA OCCUPATIONAL SAFETY AND HEALTH AGENCY Patents:
Description
The broken line showing of the screw nut in
Claims
The ornamental design for a screw nut, as shown and described.
Referenced Cited
U.S. Patent Documents
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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
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