Air freshener device with visual signal means

Details Air freshener device with visual signal means Air freshener device with visual signal means

1991-01-14

1992-11-17

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Slow diffusers

With empty or refill signal or indicator

239 60, A61L 904

Patent

active

051636166

ABSTRACT:
An air freshener device which indicates when air freshening fragrance formulation contained therein is consumed. The device has a plurality of chambers which contain the same or different fragrance formulations. The inner walls of the chambers are contrastingly colored with respect to the fragrance formulation so that, when the fragrance formulation is consumed, the colored walls are exposed indicating to the user that the formulation within that chamber has been depleted. The multi-chamber feature of the device provides the possibility of multiple fragrance choices and, at the same time, allows for the release of fragrance for an extended period of time.

REFERENCES:
patent: 2103609 (1937-12-01), Bradburn
patent: 2555047 (1951-05-01), Logue
patent: 2642310 (1953-06-01), Meek et al.
patent: 3797742 (1974-03-01), Clark et al.
patent: 4712737 (1987-12-01), Hecking
patent: 4824707 (1989-04-01), Spector

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