Ingress/egress portal for concourses and other access...

Details Ingress/egress portal for concourses and other access... Ingress/egress portal for concourses and other access...

2000-10-04

2001-11-20

Clark, Doris (Department: 2914)

Building units and construction elements

Prefabricated unit

Closure

Design Patent

active

D0450858

CLAIM:
The ornamental design for an ingress/egress portal for airport concourses and other access controlled areas, as shown and described.

REFERENCES:
patent: D. 261433 (1981-10-01), Sugano
patent: 4195442 (1980-04-01), Keeling et al.
patent: 5845692 (1998-12-01), Kellem et al.

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