Ladder
Claims
The ornamental design for a ladder, as shown and described.
| D447572 | September 4, 2001 | Rosko |
| D447817 | September 11, 2001 | Rosko |
| D455842 | April 16, 2002 | Rosko |
| D458385 | June 4, 2002 | Rosko |
| D564675 | March 18, 2008 | Farber |
| D565745 | April 1, 2008 | Meyers |
| D576291 | September 2, 2008 | Latimer |
| D838386 | January 15, 2019 | Woodward |
| D872876 | January 14, 2020 | Leng |
| 20110209946 | September 1, 2011 | Leng |
| 20150159434 | June 11, 2015 | Leng |
| 20240151106 | May 9, 2024 | Leng |
Type: Grant
Filed: Aug 15, 2022
Date of Patent: Sep 2, 2025
Assignee: New-Tec Integration (Xiamen) Co., Ltd. (Xiamen)
Inventor: Luhao Leng (Xiamen)
Primary Examiner: Gino Colan
Application Number: 29/849,795