Concrete screw with ring groove
Description
Claims
The ornamental design for a concrete screw with ring groove, as shown and described.
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Patent History
Patent number: D875514
Type: Grant
Filed: Jan 15, 2018
Date of Patent: Feb 18, 2020
Assignee: Ningbo Anchor Fasteners Industrial Co., Ltd. (Zhangting, Yuyao, Zhe Jiang Province)
Inventor: Jinqing Zhang (Yuyao)
Primary Examiner: Sandra S Snapp
Assistant Examiner: Ieisha N Price
Application Number: 29/633,665
Type: Grant
Filed: Jan 15, 2018
Date of Patent: Feb 18, 2020
Assignee: Ningbo Anchor Fasteners Industrial Co., Ltd. (Zhangting, Yuyao, Zhe Jiang Province)
Inventor: Jinqing Zhang (Yuyao)
Primary Examiner: Sandra S Snapp
Assistant Examiner: Ieisha N Price
Application Number: 29/633,665
Classifications
Current U.S. Class:
D8/387