IP Library › Granted Patent US 1,100,266
Granted Patent S1
US 1,100,266 · App. 29/889,838 · Granted Oct 28, 2025

Handrail ladder

Inventor: Luhao Leng (Xiamen, CN)
Assignee: New-Tec Integration (Xiamen) Co., Ltd.
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Quick Facts
Patent No.
US 1,100,266
App. No.
29/889,838
Granted
Oct 28, 2025
Kind
S1
Claims (1)

The ornamental design for a handrail ladder, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2023
From: LUHAO LENG
To: NEW-TEC INTEGRATION (XIAMEN) CO., LTD.
Reel/Frame 063350/0823 →
Priority Claims (1)
CN 202230728986.X · Nov 2, 2022 · national
References Cited (63)
US D387878S · Jacques · 1997 [cited by examiner]
US D388882S · Kain · 1998 [cited by examiner]
US D410550S · Meyers · 1999 [cited by examiner]
US D414879S · Meyers · 1999 [cited by examiner]
US D433156S · Gibson · 2000 [cited by examiner]
US D447817S · Rosko · 2001 [cited by examiner]
US D449385S · Rosko · 2001 [cited by examiner]
US D455842S · Rosko · 2002 [cited by examiner]
US 6450290B1 · Spak · 2002 [cited by examiner]
US D465289S · Gibson · 2002 [cited by examiner]
US D466225S · Rosko · 2002 [cited by examiner]
US D548364S · Skubic · 2007 [cited by examiner]
US D554771S · Skubic · 2007 [cited by examiner]
US D564675S · Farber · 2008 [cited by examiner]
US D564676S · Farber · 2008 [cited by examiner]
US D576290S · Meyers · 2008 [cited by examiner]
US D576291S · Latimer · 2008 [cited by examiner]
US D620132S · Han · 2010 [cited by examiner]
US 8408361B2 · Chung · 2013 [cited by examiner]
US D706455S · Buchanan · 2014 [cited by examiner]
US D797955S · Wilbur · 2017 [cited by examiner]
US D838385S · Moss · 2019 [cited by examiner]
US D840055S · Skubic · 2019 [cited by examiner]
US 10487576B2 · Ballard · 2019 [cited by examiner]
US D872876S · Leng · 2020 [cited by examiner]
US D888994S · Lang · 2020 [cited by examiner]
US D889689S · Russell · 2020 [cited by examiner]
US D889690S · Lang · 2020 [cited by examiner]
US D895152S · Moss · 2020 [cited by examiner]
US D899628S · Moncada · 2020 [cited by examiner]
US D903905S · Leng · 2020 [cited by examiner]
US D912277S · Feng · 2021 [cited by examiner]
US D920541S · Mittanck · 2021 [cited by examiner]
US D921224S · Mittanck · 2021 [cited by examiner]
US 11225833B2 · Yoo · 2022 [cited by examiner]
US D972169S · Yan · 2022 [cited by examiner]
US D979097S · Boyer · 2023 [cited by examiner]
US D987118S · Kroeger · 2023 [cited by examiner]
US 11655676B2 · Foley · 2023 [cited by examiner]
US D999404S · Maxfield · 2023 [cited by examiner]
US D1005526S · Ma · 2023 [cited by examiner]
US D1009303S · Wernberg · 2023 [cited by examiner]
US D1009304S · Wernberg · 2023 [cited by examiner]
US D1026251S · Hu · 2024 [cited by examiner]
US D1056249S · Li · 2024 [cited by examiner]
US D1069175S · Yu · 2025 [cited by examiner]
US D1072281S · Hu · 2025 [cited by examiner]
US 12312864B1 · Hu · 2025 [cited by examiner]
US 12331592B2 · Foley · 2025 [cited by examiner]
US 12352107B2 · Moss · 2025 [cited by examiner]
US 20140224585A1 · Russell · 2014 [cited by examiner]
US 20200165869A1 · Brown · 2020 [cited by examiner]
US 20200263497A1 · Leng · 2020 [cited by examiner]
US 20200378185A1 · Leng · 2020 [cited by examiner]
US 20200386050A1 · Mittanck · 2020 [cited by examiner]
US 20230119062A1 · Zhu · 2023 [cited by examiner]
US 20230374858A1 · Moss · 2023 [cited by examiner]
US 20240141729A1 · Leng · 2024 [cited by examiner]
US 20240148146A1 · Leng · 2024 [cited by examiner]
US 20240151106A1 · Leng · 2024 [cited by examiner]
US 20240301751A1 · Leng · 2024 [cited by examiner]
US 20240301752A1 · Leng · 2024 [cited by examiner]
US 20250207462A1 · Leng · 2025 [cited by examiner]