Portable sidewalk

Details Portable sidewalk Portable sidewalk

2001-08-27

2002-10-15

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0464439

CLAIM:
I claim the ornamental design for a portable sidewalk, as shown and described.

REFERENCES:
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patent: 5527128 (1996-06-01), Rope et al.
patent: 5678370 (1997-10-01), Douglass
patent: D388647 (1998-01-01), Odell
patent: 5833386 (1998-11-01), Rosan et al.
patent: 6026625 (2000-02-01), Austin
patent: D445920 (2001-07-01), Payne

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