Step stool

Details Step stool Step stool

2007-09-10

2009-02-17

Snapp, Sandra (Department: 2915)

Design Patent

active

D0586574

CLAIM:
The ornamental design for the step stool, as shown and described.

REFERENCES:
patent: D232499 (1974-08-01), Martinellini
patent: D234477 (1975-03-01), Lockhardt
patent: D234933 (1975-04-01), Burke
patent: 4580607 (1986-04-01), Cantele
patent: 5243903 (1993-09-01), Blackmer et al.
patent: D396357 (1998-07-01), Perrin et al.
patent: D403517 (1999-01-01), Perrin et al.
patent: D411055 (1999-06-01), Perrin et al.
patent: D564244 (2008-03-01), Ikaheimo
“Polar Table Design: Pearson Lloyd”, Accessed at “http://www.tacchini.it/site/downloads/foto—eng.php” on Sep. 18, 2008, (2007), 3 pgs.

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