Stair climber

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Description

FIG. 1 is a front top perspective view of a stair climber showing our new design;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines depict portions of the stair climber that form no part of the claimed design.

Claims

The ornamental design for a stair climber as shown and described.

Referenced Cited
U.S. Patent Documents
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Other references
  • Marianne Trusty, (date published Aug. 31, 2023), Aiper Debuts Smart Solar Robotic Pool Surface Skimmer, Poolmagazine.com, URL: (https://www.poolmagazine.com/features/products/aiper-debuts-smart-solar-robotic-pool-surface-skimmer/), (Year: 2023).
  • Eufy Team, (date posted Sep. 2025), MarsWalker, Community.eufy.com, URL: (https://community.eufy.com/t/marswalker-is-here-the-world-s-first-stair-climber-for-robot-vacuums/5751680), (Year: 2025).
Patent History
Patent number: D1151753
Type: Grant
Filed: Aug 28, 2025
Date of Patent: Oct 6, 2026
Assignee: Anker Innovations Technology Co., Ltd. (Changsha)
Inventors: Yiqiao Liu (Shenzhen), Jiahao Li (Shenzhen)
Primary Examiner: Khawaja Anwar
Assistant Examiner: Cheng Chen
Application Number: 30/020,373
Classifications
Current U.S. Class: Miscellaneous (D15/199)