Respiratory aid
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
The broken lines in the drawings depict portions of the respiratory aid that form no part of the claimed design.
Claims
The ornamental design for a respiratory aid, as shown and described.
3316903 | May 1967 | Richards |
5609149 | March 11, 1997 | Takach |
D597656 | August 4, 2009 | Bird |
D749280 | February 9, 2016 | Bailey |
D757251 | May 24, 2016 | Oostman |
10675393 | June 9, 2020 | Carver |
11478575 | October 25, 2022 | He |
D970131 | November 15, 2022 | Tash |
D982736 | April 4, 2023 | Lv |
D996602 | August 22, 2023 | Jiang |
20180099108 | April 12, 2018 | Baek |
20200306420 | October 1, 2020 | Carver |
20230043463 | February 9, 2023 | He |
Type: Grant
Filed: Sep 9, 2023
Date of Patent: Mar 26, 2024
Assignee: Qichuan Medical Technology (Shenzhen) Co., Ltd. (Shenzhen)
Inventor: Jinsong Zhang (Guangdong)
Primary Examiner: Daniel J Domino
Assistant Examiner: Lee D. Starr
Application Number: 29/911,856