Pumping device
Description
The broken lines in the drawings illustrate portions of the pumping device which form no part of the claimed design.
Claims
We claim the ornamental design for a pumping device, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D771718
Type: Grant
Filed: Sep 28, 2015
Date of Patent: Nov 15, 2016
Inventors: Ying-Chieh Liao (Taichung), Yu-Kuo Liao (Taichung)
Primary Examiner: Ralf Seifert
Application Number: 29/540,750
Type: Grant
Filed: Sep 28, 2015
Date of Patent: Nov 15, 2016
Inventors: Ying-Chieh Liao (Taichung), Yu-Kuo Liao (Taichung)
Primary Examiner: Ralf Seifert
Application Number: 29/540,750
Classifications
Current U.S. Class:
Pump Or Compressor (D15/7)