Patent US4804119A successfully refreshed from Google Patents.
US4804119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispenser
Assignee: KLEENPOUR INTERNATIONAL
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Filing: 1987-03-13
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Granted: 1989-02-14
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Expires: 2007-03-13
Abstract
Abstract A container including a neck portion leading to an outlet from the neck located outwardly thereof, the cross sectional area of the outlet being greater than the cross sectional area of the neck portion thereby providing a shoulder in the neck which in a pouring operation causes liquid flowing from the container to separate from an upper portion of the outlet and a duct communicating between the neck and the interior of the container whereby as liquid empties from the container in a pouring operation the resulting pressure differential arising between the interior of the container adjacent the inlet of the duct and the atomosphere draws air in an unimpeded manner into the container.
Inventors
- 👤 Donald T. Goodall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:11
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/12; B65D25/00; B65D25/28; B65D25/2882; B65D25/2894; B65D25/2897; B65D25/38; B65D25/40; B65D25/42; B65D25/44; Y; Y10; Y10S; Y10S215/00; Y10S215/902
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
145 words
A container having pouring means for dispensing liquid, said means including: a neck portion of diminishing cross-sectional area leading to a peripheral channel of increasing cross-sectional area, said peripheral channel leading to an outlet having a greater cross-sectional area than the cross-sectional area of said neck portion said outlet being axially aligned with the neck but sufficiently larger in diameter so that, in a pouring operation liquid flowing from said container separates from an upper portion of said outlet, an air duct adjacent the upper portion of said outlet communicating with the upper portion of said container interior and of sufficient cross-sectional area throughout its length to maintain the interior of the container at substantially atmospheric pressure to maximize the rate of gulp-free dispensing of the liquid, said neck portion restricting liquid flow into the peripheral channel to maintain unimpeded air flow through said duct.
Claim 2
Dependent Claim
145 words
A container having pouring means for dispensing liquid, said means including: a neck portion of diminishing cross-sectional area leading to a peripheral channel of increasing cross-sectional area, said peripheral channel leading to an outlet having a greater cross-sectional area than the cross-sectional area of said neck portion said outlet being axially aligned with the neck but sufficiently larger in diameter so that, in a pouring operation liquid flowing from said container separates from an upper portion of said outlet, an air duct adjacent the upper portion of said outlet communicating with the upper portion of said container interior and of sufficient cross-sectional area throughout its length to maintain the interior of the container at substantially atmospheric pressure to maximize the rate of gulp-free dispensing of the liquid, said neck portion restricting liquid flow into the peripheral channel to maintain unimpeded air flow through said duct.
Claim 3
Dependent Claim
18 words
A container as claimed in claim 1 wherein said duct passes through a carrying handle for said container.
Claim 4
Dependent Claim
16 words
A container as claimed in claim 1 wherein the container bottom has a finger recess therein.
Claim 5
Dependent Claim
90 words
A container as claimed in claim 1 wherein the neck of the container is provided with a pouring nozzle positioned in the container neck, said nozzle having a flared bottom which seals against the inner wall of the neck, the nozzle having abutment means thereon to limit the movement of the nozzle into and out of said container, the shoulder, the wall of said outlet and the wall of the nozzle forming a well for the collection of liquid remaining on the outside of the nozzle after a pouring operation.
Claim 6
Dependent Claim
15 words
A container as claimed in claim 1 including a cap to close the container outlet.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-14 | 1992-08-15 | 1993-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-14 | 1996-08-15 | 1997-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-14 | 2000-08-15 | 2001-02-14 | $7700.00 | Window Closed / Lapsed |