Drilling tool
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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.
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Type: Grant
Filed: Jun 28, 2018
Date of Patent: Aug 20, 2019
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami-shi)
Inventors: Machiko Abe (Itami), Hiroyuki Shimada (Itami), Kazuya Yano (Itami)
Primary Examiner: Patricia A Palasik
Application Number: 29/654,904