Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2007-08-28
2007-08-28
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
29257699
CLAIM:
The ornamental design for a ladder accessory assembly, as shown and described.
REFERENCES:
patent: D273996 (1984-05-01), Rasler
patent: 4730802 (1988-03-01), Chatham et al.
patent: 5058707 (1991-10-01), Waid
patent: D340773 (1993-10-01), Bartnicki et al.
patent: D388883 (1998-01-01), Thivierge et al.
patent: D447818 (2001-09-01), Weber
patent: 6565051 (2003-05-01), Vaglica
Clark Doris
Irell & Manella LLP
Yorks Ben J.
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