Drill head
Latest SUMITOMO ELECTRIC HARDMETAL CORP. Patents:
Description
The broken lines shown in the drawings represent portions of the drill head that form no part of the claimed design.
Claims
The ornamental design for a drill head, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D1029896
Type: Grant
Filed: Feb 23, 2022
Date of Patent: Jun 4, 2024
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami)
Inventors: Ryusei Hamada (Itami), Kouki Matsubara (Itami), Kenta Nishi (Itami)
Primary Examiner: Patricia A Palasik
Application Number: 29/827,860
Type: Grant
Filed: Feb 23, 2022
Date of Patent: Jun 4, 2024
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami)
Inventors: Ryusei Hamada (Itami), Kouki Matsubara (Itami), Kenta Nishi (Itami)
Primary Examiner: Patricia A Palasik
Application Number: 29/827,860
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)