US D1,008,462 C1 (13,105th)
Oxygen concentrator
Zhenyu Zhu, Shanghai (CN)
Filed by NANTANG TECHNOLOGY LIMITED, Hong Kong (CN)
Reexamination Request No. 90/019,717, Oct. 31, 2024.
Reexamination Certificate for Design Patent Des. 1,008,462, issued Dec. 19, 2023, Appl. No. 29/909,256, Aug. 3, 2023.
Ex Parte Reexamination Certificate issued on Nov. 26, 2025.
LOC (15) Cl. 24 - 02
U.S. Cl. D24—164
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The Claim 1 is cancelled.
The ornamental design for oxygen concentrator, as shown and described.