Spring for pump

- PUM-TECH KOREA CO., LTD
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Description

FIG. 1 is a perspective view of a spring for pump 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;

FIG. 8 is a cross-sectional view of the spring for pump taken along the line 8-8 in FIG. 6; and,

FIG. 9 is another cross-sectional view thereof in an environment of use.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design.

Claims

The ornamental design for a spring for pump, as shown and described.

Referenced Cited
U.S. Patent Documents
3951310 April 20, 1976 Steiman
4047851 September 13, 1977 Bender
4136802 January 30, 1979 Mascia
5165866 November 24, 1992 Kato
D491393 June 15, 2004 Kelterborn
D672568 December 18, 2012 Keeley
D776245 January 10, 2017 Yu
D780297 February 28, 2017 Ray
D800538 October 24, 2017 Lowitz
20170284141 October 5, 2017 Roychoudhury
20200332853 October 22, 2020 Deman
Foreign Patent Documents
102014222978 May 2016 DE
20150023033 March 2015 KR
Patent History
Patent number: D990521
Type: Grant
Filed: Sep 9, 2021
Date of Patent: Jun 27, 2023
Assignee: PUM-TECH KOREA CO., LTD (Incheon)
Inventor: Do Hoon Lee (Incheon)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torres
Application Number: 29/807,235
Classifications
Current U.S. Class: D9/435; D9/683