US4889285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for dispensing volatile fragrances
Assignee: Union Camp Corp
•
Filing: 1988-12-05
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Granted: 1989-12-26
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Expires: 2008-12-05
Abstract
Abstract A device for dispensing volatile fragrances comprises a silicone rubber hollow body, and a liquid volatile fragrance contained within the hollow. The liquid volatile fragrance diffuses through the silicone rubber body to the outer surface where it is volatilized to disperse in the surrounding atmosphere.
Inventors
- 👤 George A. Locko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:25
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/042
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
An article for dispensing a volatile fragrance to the atmosphere, which comprises: a silicone rubber hollow body containing in the hollow thereof the volatile fragrance composition; said body being substantially impermeable to said composition in a volatilized form; said body being penetrable by said composition in a liquid form, at a rate less than the rate of volatilization of the liquid volatile composition as it reaches the outer surface of the hollow body under ambient temperature and pressure conditions.
Claim 2
Dependent Claim
79 words
An article for dispensing a volatile fragrance to the atmosphere, which comprises: a silicone rubber hollow body containing in the hollow thereof the volatile fragrance composition; said body being substantially impermeable to said composition in a volatilized form; said body being penetrable by said composition in a liquid form, at a rate less than the rate of volatilization of the liquid volatile composition as it reaches the outer surface of the hollow body under ambient temperature and pressure conditions.
Claim 3
Dependent Claim
13 words
The article of claim 1 wherein the body is reinforced with a screen.
Claim 4
Dependent Claim
18 words
The article of claim 1 having a wall thickness of from 1 to 2 mm to 5 mm.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-12-25 | 1993-06-26 | 1993-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-25 | 1997-06-26 | 1997-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-25 | 2001-06-26 | 2001-12-26 | $7700.00 | Window Closed / Lapsed |