Flood vent

Details Flood vent Flood vent

2008-01-29

2008-09-09

Zarfas, Louis S (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0576723

CLAIM:
An ornamental design for a flood vent, as shown and described.

REFERENCES:
patent: D111597 (1938-10-01), Fader
patent: 3203079 (1965-08-01), Smith et al.
patent: 3232205 (1966-02-01), Bumstead
patent: 3245224 (1966-04-01), Wilkinson
patent: D222895 (1972-01-01), Zampetti
patent: 3771320 (1973-11-01), Kenneryd et al.
patent: 4274330 (1981-06-01), Witten et al.
patent: 4711160 (1987-12-01), Witten et al.
patent: 5372543 (1994-12-01), Steele
patent: D377390 (1997-01-01), Ketcham
patent: 5720660 (1998-02-01), Benedetto et al.
patent: 6575826 (2003-06-01), Myint
patent: D520626 (2006-05-01), Angers et al.

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