Hole-drilling tool
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Description
The broken lines in the drawings illustrate portions of the hole-drilling tool that form no part of the claimed design.
Claims
The ornamental design for a hole-drilling tool, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D838754
Type: Grant
Filed: May 4, 2017
Date of Patent: Jan 22, 2019
Assignee: Compass Corporation (Tainan)
Inventor: Tzu-Chien Wang (Tainan)
Primary Examiner: Darlington Ly
Application Number: 29/602,570
Type: Grant
Filed: May 4, 2017
Date of Patent: Jan 22, 2019
Assignee: Compass Corporation (Tainan)
Inventor: Tzu-Chien Wang (Tainan)
Primary Examiner: Darlington Ly
Application Number: 29/602,570
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139);
D8/70