Duct

Details Duct Duct

2001-04-20

2002-12-03

Zarfas, Louis S. (Department: 2914)

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Design Patent

active

D0466652

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

REFERENCES:
patent: D25709 (1896-06-01), Pratt
patent: 1565918 (1925-12-01), Fitzgerald
patent: D234462 (1975-03-01), Ahlrot
patent: D360018 (1995-07-01), Sonden et al.
patent: D360019 (1995-07-01), Sonden et al.
patent: D360021 (1995-07-01), Sonden et al.
patent: D383195 (1997-09-01), Sonden et al.
patent: D386246 (1997-11-01), Sonden et al.

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