Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2007-08-14
2007-08-14
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
29248330
CLAIM:
The ornamental design for a ladder top cap, as shown and described.
REFERENCES:
patent: 2109886 (1938-03-01), Lewis
patent: 2425025 (1947-08-01), Boisselier
patent: 3010535 (1961-11-01), Depiano
patent: D340773 (1993-10-01), Bartnicki et al.
patent: 5503245 (1996-04-01), Etesam
patent: D422717 (2000-04-01), Bartnicki et al.
patent: 6158551 (2000-12-01), Gray
Barnes & Thornburg LLP
Clark Doris
Cosco Management Inc.
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