Drill chuck
Description
Portions shown with broken lines form no part of the claimed design.
Claims
The ornamental design for a drill chuck, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D837014
Type: Grant
Filed: Mar 10, 2017
Date of Patent: Jan 1, 2019
Assignee: YUKIWA SEIKO INC. (Ojiya-shi)
Inventors: Kazuo Sakamaki (Ojiya), Koji Sakamaki (Ojiya), Tadashi Taniguchi (Ojiya), Koichi Nakano (Ojiya)
Primary Examiner: Darlington Ly
Application Number: 29/596,780
Type: Grant
Filed: Mar 10, 2017
Date of Patent: Jan 1, 2019
Assignee: YUKIWA SEIKO INC. (Ojiya-shi)
Inventors: Kazuo Sakamaki (Ojiya), Koji Sakamaki (Ojiya), Tadashi Taniguchi (Ojiya), Koichi Nakano (Ojiya)
Primary Examiner: Darlington Ly
Application Number: 29/596,780
Classifications
Current U.S. Class:
D8/70;
Tool Or Work Holder (D15/140)