Patent US3826409A successfully refreshed from Google Patents.
US3826409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dosage dispenser
Assignee: Individual
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Filing: 1971-06-25
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Granted: 1974-07-30
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Expires: 1991-06-25
Abstract
Abstract A small plastic container having a built-in foldable straw and a built-in receptacle for the folded straw includes a bellows-type wall with an integral in-wall plastic spring, and includes a flanged upper face with a gummed identification label thereon having an integral sleeve encircling a portion of the straw to facilitate erection of the straw for dispensing of contents by collapsing the bellows or accordian wall, using thumb or finger pressure.
Inventors
- 👤 E Chilcoate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:27
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/44; A23G9/50; A23G9/503; B; B65; B65D; B65D21/00; B65D21/08; B65D21/086; B65D77/00; B65D77/22; B65D77/24; B65D77/28; B65D77/283
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
260 words
A dispenser comprising: a closed container having flexible side wall means manually collapsible for expelling contents from said container; a tube communicating with the interior of said container and collapsible to prevent transmission of contents of said container through said tube; said container having a top with an elongated trough extending therein from one point on said wall means, directly across the center of the top to a second point on said wall means directly opposite said one point; said tube being foldable into said trough for storage, and unfoldable from said trough to permit passage of fluid through said tube, said tube having an inlet and an outlet, said tube inlet being in said top at said one point on said wall means, and said tube outlet being adjacent said second point on said wall means directly across the center of said top from said inlet when said tube is folded into said trough; said container having a bottom connected to said top by said collapsible wall means, said collapsible wall means including a wall serving as the outer and inner wall of said container, all of said wall from said top to said bottom being collapsible for expelling contents from said container; said container having a cavity in the bottom thereof parallel to said trough and matching said trough and accommodating said trough therein upon manual collapse of said wall means by movement of said bottom to said top to completely collapse said container and expel all the contents of said container through said unfoldable tube when unfolded.
Claim 2
Dependent Claim
260 words
A dispenser comprising: a closed container having flexible side wall means manually collapsible for expelling contents from said container; a tube communicating with the interior of said container and collapsible to prevent transmission of contents of said container through said tube; said container having a top with an elongated trough extending therein from one point on said wall means, directly across the center of the top to a second point on said wall means directly opposite said one point; said tube being foldable into said trough for storage, and unfoldable from said trough to permit passage of fluid through said tube, said tube having an inlet and an outlet, said tube inlet being in said top at said one point on said wall means, and said tube outlet being adjacent said second point on said wall means directly across the center of said top from said inlet when said tube is folded into said trough; said container having a bottom connected to said top by said collapsible wall means, said collapsible wall means including a wall serving as the outer and inner wall of said container, all of said wall from said top to said bottom being collapsible for expelling contents from said container; said container having a cavity in the bottom thereof parallel to said trough and matching said trough and accommodating said trough therein upon manual collapse of said wall means by movement of said bottom to said top to completely collapse said container and expel all the contents of said container through said unfoldable tube when unfolded.
Claim 3
Dependent Claim
19 words
The dispenser of claim 1 wherein: said container and said tube are an integral homogeneous unit of resilient material.
Claim 4
Dependent Claim
76 words
The dispenser of claim 1 wherein: the perimeter of the top of said container lies in a plane; said tube is collapsible into a closed kink adjacent said inlet, during folding; said trough receives said tube, when folded, longitudinally therealong generally parallel to said plane, said tube having a normal relaxed condition erect at an angle of 110 degrees from said plane, the resilience of said tube reopening said kink during unfolding to said relaxed condition.
Claim 5
Dependent Claim
33 words
The dispenser of claim 3 wherein: said trough has an entrance gap having a dimension there-across slightly less than the outside diameter of said tube for retention of said tube in said trough.
Claim 6
Dependent Claim
35 words
The dispenser of claim 1 wherein said tube is collapsed, said dispenser further comprising: a perimetrical flange at the top of said container; a removable cover sheet secured to said flange and concealing said tube.
Claim 7
Dependent Claim
71 words
The dispenser of claim 5 wherein: said flange is rectangular and said recess is disposed along a diagonal between the corners of said flange; and said sheet is adhered to said flange throughout the perimeter of said container at said flange, said sheet overhanging said flange at a point adjacent the end of said tube opposite said inlet to facilitate removal of said sheet from said flange beginning at said point.
Claim 8
Dependent Claim
37 words
The dispenser of claim 6 wherein: said sheet further comprises a sleeve encircling said tube and projecting into said recess and facilitating and implementing erection of said tube during removal of said sheet beginning at said point.
Claim 9
Dependent Claim
48 words
The dispenser of claim 1 wherein: said container wall means are a bellows extending from said top to said bottom and having a thickened section at folds in said bellows to form a helical integral spring facilitating restoration of said bellows to its original formed configuration after deformation.
Claim 10
Dependent Claim
24 words
The dispenser of claim 8 and further comprising: liquid contents in said container filling said container to the point of collapse of said tube.
Claim 11
Dependent Claim
26 words
The dispenser of claim 1 wherein: the flexible wall of said container has a portion of light transmitting material with content volume indicating graduation markings thereon.
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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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |