Patent US4220281A successfully refreshed from Google Patents.
US4220281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-dispensing device
Assignee: SC Johnson and Son Inc
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Filing: 1979-01-17
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Granted: 1980-09-02
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Expires: 1999-01-17
Abstract
Abstract A dispenser for vapors characterized by an upstanding enclosure made of folded flexible sheet stock and having two upstanding opposed primary dispensing walls, one or more structural members within the enclosure to provide reinforcing dimensional stability between the primary walls and releasably holding a vaporizable composition, and air flow channels from one dispensing wall to the other. Preferred embodiments relate to variations in the structural member(s), the specific materials used, a barrier used to prevent loss of vaporizable composition by wicking and an impermeable film tightly wrapped therearound. The invention can be used for dispensing air fresheners, insecticides, and other air-treating vapors.
Inventors
- 👤 Edward J. Martens, III
- 👤 Phillip J. Neumiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2055; A61; A61B; A61B5/00; A61B5/08; A61B5/0816
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
75 words
A dispenser of vapors comprising: an upstanding enclosure formed of folded flexible sheet stock and including two upstanding opposed primary walls each defining dispensing openings; and structural means enclosed within the enclosure to provide reinforcing dimensional stability between the primary walls, the structural means defining air flow channels from one of the primary walls to the other, releasably holding a vaporizable composition, and maintaining said dimensional stability before, during, and after vaporization of said composition.
Claim 2
Dependent Claim
75 words
A dispenser of vapors comprising: an upstanding enclosure formed of folded flexible sheet stock and including two upstanding opposed primary walls each defining dispensing openings; and structural means enclosed within the enclosure to provide reinforcing dimensional stability between the primary walls, the structural means defining air flow channels from one of the primary walls to the other, releasably holding a vaporizable composition, and maintaining said dimensional stability before, during, and after vaporization of said composition.
Claim 3
Dependent Claim
34 words
The dispenser of claim 1 wherein the structural means comprises at least one piece substantially perpendicular to a reference plane midway between the primary walls and having edges in contact with the primary walls.
Claim 4
Dependent Claim
18 words
The dispenser of claim 2 wherein said at least one piece comprises upstanding boards disposed in parallel planes.
Claim 5
Dependent Claim
25 words
The dispenser of claim 1 wherein the sheet stock is flexible paperboard and the structural means is substantially rigid paperboard impregnated with the vaporizable composition.
Claim 6
Dependent Claim
39 words
The dispenser of claim 4 further comprising barrier means impermeable to the composition disposed between the sheet stock and the structural means at contact points to prevent wicking of the composition from the structural means to the sheet stock.
Claim 7
Dependent Claim
18 words
The dispenser of claim 1 further comprising means to open and close the openings in the primary walls.
Claim 8
Dependent Claim
25 words
The dispenser of claim 2 wherein the sheet stock is flexible paperboard and the structural means is substantially rigid paperboard impregnated with the vaporizable composition.
Claim 9
Dependent Claim
18 words
The dispenser of claim 7 wherein said at least one piece comprises upstanding boards disposed in parallel planes.
Claim 10
Dependent Claim
39 words
The dispenser of claim 8 further comprising barrier means impermeable to the composition disposed between the sheet stock and the structural means at contact points to prevent wicking of the composition from the structural means to the sheet stock.
Claim 11
Dependent Claim
18 words
The dispenser of claim 8 further comprising means to open and close the openings in the primary walls.
Claim 12
Dependent Claim
16 words
The dispenser of claim 7 further comprising a substantially vapor-tight film outer wrapper tightly wrapped thereabout.
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) | 1983-09-02 | 1984-03-03 | 1984-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-02 | 1988-03-03 | 1988-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-02 | 1992-03-03 | 1992-09-02 | $7700.00 | Window Closed / Lapsed |