Building units and construction elements – Prefabricated unit – Closure
Design Patent
2008-07-20
2009-12-01
Clark, Doris (Department: 2914)
Building units and construction elements
Prefabricated unit
Closure
Design Patent
active
D0605307
CLAIM:
I claim, the ornamental design for the emergency escape door, as shown and described.
REFERENCES:
patent: D302311 (1989-07-01), Buck
patent: 5816017 (1998-10-01), Hunt et al.
patent: D407500 (1999-03-01), Gribble
patent: D438636 (2001-03-01), Stuart
patent: 6874284 (2005-04-01), Hayward
patent: 7028431 (2006-04-01), Tlemcani et al.
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