Drilling tool
Latest SUMITOMO ELECTRIC HARDMETAL CORP. Patents:
Description
The broken lines shown in the drawings represent portions of the drilling tool that form no part of the claimed design.
Claims
The ornamental design for a drilling tool, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D844034
Type: Grant
Filed: Apr 21, 2016
Date of Patent: Mar 26, 2019
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami-shi)
Inventor: Kazuya Yano (Itami)
Primary Examiner: Brett Miller
Application Number: 29/561,940
Type: Grant
Filed: Apr 21, 2016
Date of Patent: Mar 26, 2019
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami-shi)
Inventor: Kazuya Yano (Itami)
Primary Examiner: Brett Miller
Application Number: 29/561,940
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)