Calculator with wireless digital keyboard
Description
The broken lines in
Claims
The ornamental design for a calculator with wireless digital keyboard, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D769964
Type: Grant
Filed: Jan 30, 2015
Date of Patent: Oct 25, 2016
Assignee: SHENZHEN LOYAL ELECTRONICS CO., LTD. (Shenzhen)
Inventor: Zhichun Lu (Shenzhen)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Marie Fast Horse
Application Number: 29/516,291
Type: Grant
Filed: Jan 30, 2015
Date of Patent: Oct 25, 2016
Assignee: SHENZHEN LOYAL ELECTRONICS CO., LTD. (Shenzhen)
Inventor: Zhichun Lu (Shenzhen)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Marie Fast Horse
Application Number: 29/516,291
Classifications