USPatentGranted
S1

Shoes with collapsible rollers

Granted 2 Jul 2002 · no office action yet

Assignee: Lien-Chuan Yang

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Inventors: Lien-Chuan Yang · Examiner: Raphael Barkai · AU 2912 · TC 2900

Application
29/136,949
filed 7 Feb 2001
Publication
Not published
not published
Patent· this page
US D459777
granted 2 Jul 2002

Life of the patent

2 dated events
⤢ drag to zoomJan 2001Apr 2001Jul 2001Oct 2001Jan 2002Apr 2002Jul 2002Prosecution
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Description

1 parts
›FIG. 1 is a perspective view of the…

FIG. 1 is a perspective view of the shoes with collapsible rollers showing the new design;

FIG. 2 is a front view of the new design;

FIG. 3 is a rear view of the new design;

FIG. 4 is a left view of the new design;

FIG. 5 is a right view of the new design;

FIG. 6 is a top view of the new design;

FIG. 7 is a bottom view of the new design; and,

FIG 8 is a perspective view of the new design showing the status that the rollers are collapsed, and used as shoes.

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

2 codes
IPC · International Patent Classification
Section /
  • /DRW
USPC · US Patent Classification
D21/763

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File wrapper

Pendency
1.4 y
510 days filing → grant
Office actions
0
none on record
Examiner
Raphael Barkai
art unit 2912 · TC 2900
Citations: 8 back · 0 forward

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