Card learning machine
Description
The broken lines shown in the drawings represent portions of the card learning machine that form no part of the claimed design.
Claims
The ornamental design for a card learning machine as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Memory Game by Amazon.com, posted date May 21, 2024 [online], [retrieved Jul. 25, 2025]. Retrieved from the internet, https://www.amazon.it/predolo-Training-Portatile-Intelligente-educativo/dp/B0D4LXC5MY (Year: 2024).
Patent History
Patent number: D1115930
Type: Grant
Filed: Apr 29, 2024
Date of Patent: Mar 3, 2026
Assignee: Shenzhen Shengshi Duxiu Intelligent Technology Co., Ltd. (Shenzhen)
Inventor: Zhangtao Xin (Qingdao)
Primary Examiner: Brett Miller
Assistant Examiner: Elisheva Goldsmith
Application Number: 29/939,637
Type: Grant
Filed: Apr 29, 2024
Date of Patent: Mar 3, 2026
Assignee: Shenzhen Shengshi Duxiu Intelligent Technology Co., Ltd. (Shenzhen)
Inventor: Zhangtao Xin (Qingdao)
Primary Examiner: Brett Miller
Assistant Examiner: Elisheva Goldsmith
Application Number: 29/939,637
Classifications