Pumping device

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Description

FIG. 1 is a top, front, right perspective view of a pumping device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, rear, left perspective view.

The broken lines in the drawings illustrate portions of the pumping device which form no part of the claimed design.

Claims

I claim the ornamental design for a pumping device, as shown and described.

Referenced Cited
U.S. Patent Documents
D238069 December 1975 Dubner
5450924 September 19, 1995 Tseng
D452726 January 1, 2002 Tsai
6357492 March 19, 2002 Hsu
D632306 February 8, 2011 Wang
8360741 January 29, 2013 Chuang
8419376 April 16, 2013 Sun
9046113 June 2, 2015 Chuang
9222471 December 29, 2015 Liao
D885440 May 26, 2020 Chen
20030035741 February 20, 2003 Tseng
20120275944 November 1, 2012 Chuang
20190309739 October 10, 2019 Liao
20200123000 April 23, 2020 Chen
Foreign Patent Documents
201430433406 May 2015 CN
Other references
  • Alibaba.com, Pneumatic manual oil extractor drain equipment, (site visited May 1, 2020), Available from Alibaba.com URL:<https://www.alibaba.com/product-detail/Pneumatic-manual-oil-extractor-drain-equipment_60832026234.html> (Year: 2020).
  • Amazon.com, Mityvac 7201 Fluid Evacuator Plus, (first available May 9, 2006), Available for sale on Amazon.com URL:<https://www.amazon.com/Mityvac-7201-Fluid-Evacuator-Plus/dp/B0002SR7TC/?tag=cb-global-20> (Year: 2006).
Patent History
Patent number: D903721
Type: Grant
Filed: Feb 6, 2019
Date of Patent: Dec 1, 2020
Assignee: LIH YANN INDUSTRIAL CO., LTD. (Taichung)
Inventor: Po-Lin Liao (Taichung)
Primary Examiner: Sheryl Lane
Assistant Examiner: Mark T. Philipps
Application Number: 29/679,450
Classifications