Staircase machine
Description
The dashed broken lines in the figures illustrate portions of the staircase machine that form no part of the claimed design.
Claims
The ornamental design for a staircase machine, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- Stair stepper, amazon.com, Oct. 6, 2023, retrieved Mar. 4, 2024, https://www.amazon.com/dp/B0CKLVB2RN (Year: 2023).
- Signature Fitness continuous climber, amazon.com, Jul. 19, 2022, retrieved Mar. 4, 2024, https://www.amazon.com/Signature-Fitness-Continuous-Commercial-Stepping/dp/B0B72BMJQK?th=1 (Year: 2022).
Patent History
Patent number: D1039075
Type: Grant
Filed: Feb 8, 2024
Date of Patent: Aug 13, 2024
Inventor: Shaowei Tong (Cixi)
Primary Examiner: Katherine A Holbrow
Application Number: 29/928,095
Type: Grant
Filed: Feb 8, 2024
Date of Patent: Aug 13, 2024
Inventor: Shaowei Tong (Cixi)
Primary Examiner: Katherine A Holbrow
Application Number: 29/928,095
Classifications