Duct assembly

Details Duct assembly Duct assembly

1999-06-24

2001-06-19

Siegel, Mitchell (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0443925

CLAIM:
What is claimed is the ornamental design for a duct assembly, as shown and described.

REFERENCES:
patent: 2355629 (1944-08-01), Carrier
patent: 3461220 (1969-08-01), Hukin
patent: 3473278 (1969-10-01), Gossen
patent: 3721762 (1973-03-01), Gooding
patent: 5165453 (1992-11-01), Walker, Jr.
patent: 5274972 (1994-01-01), Hansen
patent: 5704175 (1998-01-01), Lewis
patent: 5732747 (1998-03-01), Holliday
patent: 5901512 (1999-05-01), Bullwinkle

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