Stopper for syringe

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Description

FIG. 1 is a front, right, bottom perspective view of a stopper for syringe showing our new design;

FIG. 2 is a back, left, top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a cross-sectional view taken in the direction of line 9-9, identified in FIG. 7;

FIG. 10 is a cross-sectional view taken in the direction of line 10-10, identified in FIG. 7; and,

FIG. 11 is a cross-sectional view taken in the direction of line 11-11, identified in FIG. 7.

The broken lines shown on the drawings depict portions of the stopper for syringe that form no part of the claimed design.

Claims

The ornamental design for a stopper for syringe, as shown and described.

Referenced Cited
U.S. Patent Documents
D324101 February 18, 1992 Reif
5795337 August 18, 1998 Grimard
D519633 April 25, 2006 Weekes
D788296 May 30, 2017 Ishida
D805637 December 19, 2017 Bureau
D815278 April 10, 2018 Pak
D950720 May 3, 2022 Prais
D965143 September 27, 2022 Doubet
D1010115 January 2, 2024 Yamanaka
D1032831 June 25, 2024 Chen
D1033637 July 2, 2024 Horvath
D1041652 September 10, 2024 Lehee
D1042800 September 17, 2024 Sender
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Foreign Patent Documents
15124464-0001 November 2025 EP
2015009240 February 2016 JP
3020210014349 April 2022 KR
Other references
  • “BD: Plunger Stoppers.” Found online Apr. 16, 2026 at bd.com. Reference dated Apr. 20, 2025. Retrieved from https://www.bd.com/en-us/products-and-solutions/solutions/drug-delivery-systems/plunger-stoppers.
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  • “Easy Glide: 10ML UltraFlo Oral Syringe with Cap.” Found online Apr. 16, 2026 at amazon.com. Reference dated Mar. 23, 2023. Retrieved from https://www.amazon.com/10ML-UltraFlo-Oral-Syringe-Ring/dp/B0BZD4MDR1.
  • “BioPharm: Impace of PFS and Filing Process Selection on Biologic Product Stability.” Found online Apr. 16, 2026 at biopharm.com. Reference dated Apr. 1, 2017. Retrieved from https://www.biopharminternational.com/view/impact-pfs-and-filling-process-selection-biologic-product-stability.
Patent History
Patent number: D1142976
Type: Grant
Filed: Nov 18, 2025
Date of Patent: Aug 18, 2026
Assignee: SUZHOU SAVICRED BIOTECHNOLOGY CO., LTD (Suzhou)
Inventors: Xiao Lin (Suzhou), Wei Fu (Suzhou), Guangjun Hu (Suzhou), Zezhong Wang (Suzhou)
Primary Examiner: Kendra Leslie Hamilton
Assistant Examiner: Elizabeth S Struble
Application Number: 30/033,439
Classifications