Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2008-06-03
2008-06-03
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
D0570497
CLAIM:
The ornamental design for a ladder cap, as shown and described.
REFERENCES:
patent: D260576 (1981-09-01), Roberdeaux
patent: 4726446 (1988-02-01), Perbix
patent: D334240 (1993-03-01), Huffine
patent: D395522 (1998-06-01), Roberts
patent: 6364057 (2002-04-01), Cornejo et al.
patent: 2004/0154865 (2004-08-01), Woodward
Clark Doris
Gore Gregory J.
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