US D1,007,685 C1 (13,097th)
Oxygen concentrator
Zhenyu Zhu, Shanghai (CN)
Filed by NANTANG TECHNOLOGY LIMITED, Hong Kong (CN)
Reexamination Request No. 90/019,715, Oct. 31, 2024.
Reexamination Certificate for Design Patent Des. 1,007,685, issued Dec. 12, 2023, Appl. No. 29/909,550, Aug. 7, 2023.
Ex Parte Reexamination Certificate issued on Nov. 25, 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.