USPatentGranted
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Escalator smart traffic flow lighting device

Granted 7 Oct 2025 · no office action yet

Assignee: Otis Worldwide Corporation

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Inventors: Sihua Ling, Denghui Zhang, Shunqiang Zhou, QingXi Cai +1 · Examiner: Joseph Kukella · AU 2913 · TC 2900

Application
29/945,839
filed 5 Jun 2024
Publication
Not published
not published
Patent· this page
US D1096942
granted 7 Oct 2025

Life of the patent

7 dated events
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Description

1 parts
›FIG. 1 is an isometric view of an…

FIG. 1 is an isometric view of an escalator smart traffic flow lighting device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top-down plan view thereof;

FIG. 7 is a bottom-up plan view thereof;

FIG. 8 is a front elevation view of the escalator smart traffic flow lighting device in operation, with the weighted/angled (sloping downward from left to right) cross-hatching indicating a green-lighted portion;

FIG. 9 is a front elevation view of the escalator smart traffic flow lighting device in operation, with the weighted/angled (sloping downward from left to right) cross-hatching indicating a green-lighted portion; and,

FIG. 10 is a front elevation view of the escalator smart traffic flow lighting device in operation, with the weighted/vertical cross-hatching indicating a red-lighted portion.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D10/108

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Pendency
1.3 y
489 days filing → grant
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on the grant's record
Examiner
Joseph Kukella
art unit 2913 · TC 2900
Citations: 22 back · 0 forward

Chain of title

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Citations

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