Auxiliary ladder step

Details Auxiliary ladder step Auxiliary ladder step

2000-07-24

2001-06-12

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Design Patent

active

D0443700

CLAIM:
The ornamental design for an auxiliary ladder step, as shown and described.

REFERENCES:
patent: D. 248777 (1978-08-01), Spencer et al.
patent: 5836420 (1998-11-01), Marky, Jr.

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