Fluid sprinkling – spraying – and diffusing – Slow diffusers – Liquid supply in absorbent or porous media only
Patent
1993-08-06
1996-08-13
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Slow diffusers
Liquid supply in absorbent or porous media only
239 57, 239 58, 239211, 428905, D23367, D23369, A61L 912
Patent
active
055448127
ABSTRACT:
A table-top air freshener has a tubular cylinder containing perfume-impregnated cellulose strips. The cylinder press-fits into a cylindrical cavity formed in a decorative housing with the bottom of the cylinder exposed for attachment to a stand. A selected length of the cylinder can be withdrawn from the cavity to provide a desired perfuming effect.
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patent: 4279373 (1981-07-01), Montealegre
patent: 4898328 (1990-02-01), Fox et al.
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