Building units and construction elements – Stair – ladder – scaffold – or similar support – Stepped
Design Patent
2007-11-27
2007-11-27
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Stepped
CD25S065000
Design Patent
active
29258714
CLAIM:
We claim, the ornamental design for a swimming pool staircase, as shown and described.
REFERENCES:
patent: 3755981 (1973-09-01), West
patent: 5916099 (1999-06-01), Hall
patent: D465032 (2002-10-01), Robbins et al.
Desjoyaux Jean-Louis
Desjoyaux Pierre-Louis
Jandros Catherine
Cantor & Colburn LLP
Clark Doris
Piscines Desjoyaux
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