Blocking pin for preventing gas leak
Latest OJC CO., LTD. Patents:
Description
1. Blocking pin for preventing gas leak
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Claims
The ornamental design for a blocking pin for preventing gas leak, as shown and described.
Referenced Cited
Patent History
Patent number: D830533
Type: Grant
Filed: Jul 5, 2016
Date of Patent: Oct 9, 2018
Assignee: OJC CO., LTD. (Seoul)
Inventors: Se Kyung Won (Incheon), Min Cheol Kim (Bucheon-si), Min Gyu Kang (Ansan-si), Tack Jin Oh (Incheon)
Primary Examiner: Richard E Chilcot
Application Number: 35/502,254
Type: Grant
Filed: Jul 5, 2016
Date of Patent: Oct 9, 2018
Assignee: OJC CO., LTD. (Seoul)
Inventors: Se Kyung Won (Incheon), Min Cheol Kim (Bucheon-si), Min Gyu Kang (Ansan-si), Tack Jin Oh (Incheon)
Primary Examiner: Richard E Chilcot
Application Number: 35/502,254
Classifications
Current U.S. Class:
Valve Or Control (D23/421)