Self-cleaning cat litter box
The drawings show broken lines that illustrate portions of the self-cleaning cat litter box.
Claims
The ornamental design for a self-cleaning cat litter box, as shown and described.
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Type: Grant
Filed: Jan 10, 2022
Date of Patent: Nov 28, 2023
Inventors: Xianglin Li (Chongqing), Hongchuan Luo (Chongqing)
Primary Examiner: W. A. Teddy Falloway
Assistant Examiner: Katrina N Gonzalez
Application Number: 29/822,449