Spring for pump
Latest PUM-TECH KOREA CO., LTD Patents:
Description
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
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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
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