Building units and construction elements – Stair – ladder – scaffold – or similar support – Stepped
Design Patent
2008-04-22
2008-04-22
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Stepped
Design Patent
active
D0567395
CLAIM:
The design for a step stool, as shown and described.
REFERENCES:
patent: 1811674 (1931-06-01), Longley
patent: D169461 (1953-04-01), Tilley
patent: D449386 (2001-10-01), Cheris et al.
patent: D460566 (2002-07-01), Henschel et al.
patent: 6568506 (2003-05-01), Donnalley
patent: D501683 (2005-02-01), Hernandez et al.
Bishop Graham
Bishop Suzanne
Clark Doris
Norris McLaughlin & Marcus PA
Teeny Tiny Ltd.
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