Neutral displacement wick

Details Neutral displacement wick Neutral displacement wick

2007-06-20

2010-06-08

Nguyen, Dinh Q (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Slow diffusers

With wick or absorbent means removing liquid from holder

C239S044000, C239S145000, C239S326000, C239S289000, C222S187000, C261S099000

Reexamination Certificate

active

07731102

ABSTRACT:
Aspects of the invention include an air freshener device that emits fragrance through the evaporation of a fragrance-containing fluid comprising: a container, comprising a particular volume of the fragrance-containing fluid; a wick disposed partially in, and partially out of the fragrance-containing fluid, the wick having an immersion section immersed in the fluid so as to displace a displacement volume of fluid and a non-immersion section extending outward from a surface of the fluid, the immersion and non-immersion section being disposed on opposite lateral ends of the wick; the wick further comprising a displacement portion and a wicking portion, the displacement portion being configured to displace a desired first volume of fluid, the wicking portion being configured to wick a second volume of fluid; the displacement portion and the wicking portion designed to achieve a desired ratio between the displaced first volume of fluid and the wicked second volume of fluid.

REFERENCES:
patent: 1129897 (1915-03-01), Owen, Jr.
patent: 2277377 (1942-04-01), Warner
patent: 4739928 (1988-04-01), O'Neil
patent: 5863196 (1999-01-01), Rockwell et al.
patent: 6250511 (2001-06-01), Kelly
patent: 6899280 (2005-05-01), Kotary et al.
patent: 2004/0041285 (2004-03-01), Xiang et al.
patent: 2006/0011733 (2006-01-01), Varanasi et al.
patent: WO 2006/004902 (2006-01-01), None

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