Toy building block
Claims
The ornamental design for a toy building block, as shown and described.
| 3570169 | March 1971 | Jacob |
| D311936 | November 6, 1990 | Andersen |
| D335159 | April 27, 1993 | Olsen |
| D351000 | September 27, 1994 | Kohler |
| D395682 | June 30, 1998 | Bartholdy |
| 6126506 | October 3, 2000 | Rudy |
| D689955 | September 17, 2013 | Jensen |
| D701919 | April 1, 2014 | Madsen |
| D707756 | June 24, 2014 | Jensen |
| D751151 | March 8, 2016 | Bromfield |
| D959567 | August 2, 2022 | Gil |
| D966430 | October 11, 2022 | Kuenen |
| 20120164912 | June 28, 2012 | Esterle |
| 20190299492 | October 3, 2019 | Arendt |
| 306504306 | April 2021 | CN |
| 307763979 | December 2022 | CN |
| 308107608 | June 2023 | CN |
- “Brick, Round 4×4 with 4 Side Pin Holes and Center Axle Hole Item No. 6222,” 1995 (release date), bricklink.com, site visited Jun. 4, 2025, URL: https://www.bricklink.com/v2/catalog/catalogitem.page?P=6222#T=C (Year: 1995).
- “Plate, Round 4×4 with Hole Item No. 60474,” 2008 (release date), bricklink.com, site visited Jun. 4, 2025, URL: https://www.bricklink.com/v2/catalog/catalogitem.page?P=60474#T=C (Year: 2008).
- “200 Lego Basic Bricks,” Aug. 21, 2015, amazon.de, site visited Jun. 6, 2025, URL: https://www.amazon.de/-/en/Basic-Bricks-Colours-Yellow-Orange/dp/B00KR94OTW/ (Year: 2015).
Type: Grant
Filed: Sep 12, 2023
Date of Patent: Sep 9, 2025
Assignee: Guangzhou Duoliangdian Technology Co., Ltd. (Guangzhou)
Inventors: Xiaoxin Huang (Guangzhou), Xiaocui Luo (Guangzhou)
Primary Examiner: Lauren D McVey
Assistant Examiner: Sarah L Smith
Application Number: 29/911,983