Duct

Details Duct Duct

2000-09-07

2001-08-07

Siegel, Mitchell (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

CD23S262000

Design Patent

active

D0446298

CLAIM:
The ornamental design for a duct, as shown and described.

REFERENCES:
patent: D. 222643 (1971-11-01), Martin et al.
patent: D. 262300 (1981-12-01), Sonden et al.
patent: D. 360020 (1995-07-01), Sonden et al.
patent: D. 362299 (1995-09-01), Sonden et al.
patent: D. 371189 (1996-06-01), Babicki
patent: D. 383195 (1997-09-01), Sonden et al.
patent: D. 383196 (1997-09-01), Sonden et al.
patent: D. 400670 (1998-11-01), Sorkin

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