Patent US3800843A successfully refreshed from Google Patents.
US3800843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable nurser
Assignee: Dart Container Corp
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Filing: 1972-03-13
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Granted: 1974-04-02
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Expires: 1992-03-13
Abstract
Abstract A disposable nursing container assembly having an outer support housing of modified generally frusto-conical shape with an intermediate outward peripheral ledge to which the open end of a cup-like bag is secured and initially inverted and housed within the reduced upper portion of the housing permitting nesting of multiple container assemblies one within another as a multi-unit package from which a container unit may be removed and the cuplike bag reversed to depend from the ledge within the lower portion of the housing and provide with the upper portion of the housing a receptacle for fluid which may be dispensed through a nipple to be attached to the upper open end of the housing.
Inventors
- 👤 B Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:33
CPC Classifications
A; A61; A61J; A61J9/00; A61J9/005; A47; A47F; A47F1/00; A47F1/04; A47F1/08; A47F1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
266 words
A container assembly for use as a disposable nursing device, and comprising a one piece outer housing including a lower generally frusto-conical portion tapering inwardly toward the upper end thereof and merging with the lower larger end of a peripherally smaller upper generally frusto-conical portion with the upper smaller end thereof merging with an inwardly directed wall portion which terminates in a peripherally reduced upstanding neck portion provided with attachment means for a dispensing unit, a radially extending shoulder between said lower and upper portions, a closure assembly sealed over the open end of said neck portion, said lower and upper portions permitting nesting of said container with a like container with the neck portions and closures of the nested containers in axial alignment and with the inwardly directed wall portion of an upper container adapted to rest on the closure assembly of a subjacent container, an inner cup-like container formed of a uniform thickness plastic material and having a frusto-conical shape and reduced bottom formation generally conforming to the shape of said upper portion with the open end continuously sealed to said shoulder, the plastic material of said inner cup-like container having sufficient wall flexiblity to permit location thereof within the upper portion of the housing with the bottom formation of maintained shape within the neck portion for nesting and shipment of the containers and reversal to a use position depending from said shoulder within said lower portion to cooperate with said upper portion to form a receptacle for a nursing fluid to be dispensed through said neck portion upon removal of the closure assembly.
Claim 2
Dependent Claim
266 words
A container assembly for use as a disposable nursing device, and comprising a one piece outer housing including a lower generally frusto-conical portion tapering inwardly toward the upper end thereof and merging with the lower larger end of a peripherally smaller upper generally frusto-conical portion with the upper smaller end thereof merging with an inwardly directed wall portion which terminates in a peripherally reduced upstanding neck portion provided with attachment means for a dispensing unit, a radially extending shoulder between said lower and upper portions, a closure assembly sealed over the open end of said neck portion, said lower and upper portions permitting nesting of said container with a like container with the neck portions and closures of the nested containers in axial alignment and with the inwardly directed wall portion of an upper container adapted to rest on the closure assembly of a subjacent container, an inner cup-like container formed of a uniform thickness plastic material and having a frusto-conical shape and reduced bottom formation generally conforming to the shape of said upper portion with the open end continuously sealed to said shoulder, the plastic material of said inner cup-like container having sufficient wall flexiblity to permit location thereof within the upper portion of the housing with the bottom formation of maintained shape within the neck portion for nesting and shipment of the containers and reversal to a use position depending from said shoulder within said lower portion to cooperate with said upper portion to form a receptacle for a nursing fluid to be dispensed through said neck portion upon removal of the closure assembly.
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |