Folding piano
Description
The broken lines in the drawings illustrate the portions of the folding piano, which form no part of the claimed design.
Claims
The ornamental design for a folding piano, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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| D555710 | November 20, 2007 | Suzuki |
| D930066 | September 7, 2021 | Suzuki |
| D962333 | August 30, 2022 | Oka |
| D976997 | January 31, 2023 | Zhou |
| D1004689 | November 14, 2023 | Zhou |
| D1085212 | July 22, 2025 | Tomaszewski |
| 12512085 | December 30, 2025 | Ichikawa |
| 20070012162 | January 18, 2007 | Saito |
| 20230197045 | June 22, 2023 | Shiraishi |
| 218886818 | April 2023 | CN |
| 222421339 | January 2025 | CN |
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| 3021801 | December 2015 | FR |
- Walmart. https://www.walmart.com/ip/Donner-61-Key-Folding-Bluetooth-Keyboard-Piano-for-Beginners-Portable-Piano-Keyboard-with-Music-Rest-Bag-Pedal-and-App-White/389540535. “Donner 61-Key Folding Bluetooth Keyboard Piano for Beginners . . . ”. Date Unknown: Viewed Feb. 2026 (Year: 2026).
- Thomann. https://www.thomannmusic.com/startone_fp_90.htm. “Startone FP-90 Folding Piano.” Dec. 2025 (Year: 2025).
- Amazon. https://www.amazon.com/Upgraded-Folding-Keyboard-Semi-Weighted-Bundle/dp/B0DN1DSY5D. “Upgraded Folding Piano Keyboard, 88 Key Full Size Semi-Weighted Keyboard Bundle 25 Key USB Midi Keyboard.” Nov. 2024 (Year: 2024).
Patent History
Patent number: D1139605
Type: Grant
Filed: Mar 3, 2025
Date of Patent: Aug 4, 2026
Inventor: Zihang Zheng (Shenzhen)
Primary Examiner: R. Johnson
Application Number: 29/991,611
Type: Grant
Filed: Mar 3, 2025
Date of Patent: Aug 4, 2026
Inventor: Zihang Zheng (Shenzhen)
Primary Examiner: R. Johnson
Application Number: 29/991,611
Classifications
Current U.S. Class:
Keyboard Type (D17/1)