Drill bit
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Description
The broken lines show portions of a drill bit that form no part of the claimed design.
Claims
The ornamental design for a drill bit, as shown.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D870168
Type: Grant
Filed: Apr 3, 2018
Date of Patent: Dec 17, 2019
Assignee: ROBIT OYJ (Lempaala)
Inventor: Mika Koskinen (Tampere)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/642,910
Type: Grant
Filed: Apr 3, 2018
Date of Patent: Dec 17, 2019
Assignee: ROBIT OYJ (Lempaala)
Inventor: Mika Koskinen (Tampere)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/642,910
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)