Drill bit

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Description

1. Drill bit

1.1 : Front

1.2 : Perspective

1.3 : Back

1.4 : Top

1.5 : Bottom

1.6 : Left

1.7 : Right

The subject design is a drill bit for drilling concrete.

Claims

The ornamental design for a drill bit, as shown and described.

Referenced Cited
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Patent History
Patent number: D976293
Type: Grant
Filed: Mar 30, 2022
Date of Patent: Jan 24, 2023
Inventor: Yun Ku Song (Seoul)
Primary Examiner: Patricia A Palasik
Application Number: 35/514,541
Classifications