Ladder construction

Details Ladder construction Ladder construction

2003-06-24

2004-05-18

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Stepped

Design Patent

active

D0490163

CLAIM:
I claim the ornamental design for a ladder construction, as shown.

REFERENCES:
patent: 5180031 (1993-01-01), Smith
patent: D442289 (2001-05-01), Ziaylek et al.

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