Patent US4790429A successfully refreshed from Google Patents.
US4790429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package
Assignee: Dispen Pak Japan Co Inc
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Filing: 1987-12-30
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Granted: 1988-12-13
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Expires: 2007-12-30
Abstract
Abstract A package for independently storing, but simultaneously dispensing, two or more substances comprises a lid (1) of stiff material and a container member (5) of flexible material fixed to the reverse side of the lid (1) along the periphery thereof. A bending line (4) is defined along the center of the lid surface. The container member (5) forms pockets (6) on both sides of the bending line (4). Each pocket (6) has a portion (7) which communicates with an associated part of the bending line (4) and these parts of the bending line (4) are adapted to be opened to discharge said substances by bending the lid (1).
Inventors
- 👤 Tadao Fukushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:41
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3266; B65D81/3294
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A package comprising: a lid made of a stiff material and having a bending line at the center of the surface thereof; and a container member made of a flexible material, fixed to the reverse of said lid around its peripheral portion and forming pockets on both sides of said bending line; each of said pockets having a communication portion communicating with one of different portions on said bending line of said lid but not communicating with another portion.
Claim 2
Dependent Claim
79 words
A package comprising: a lid made of a stiff material and having a bending line at the center of the surface thereof; and a container member made of a flexible material, fixed to the reverse of said lid around its peripheral portion and forming pockets on both sides of said bending line; each of said pockets having a communication portion communicating with one of different portions on said bending line of said lid but not communicating with another portion.
Claim 3
Dependent Claim
36 words
A package as claimed in claim 1, wherein portions on said bending line of said lid communicating with said communication portions of said container member are structured so as to be opened by bending said lid.
Claim 4
Dependent Claim
30 words
A package as claimed in claim 1, wherein portions of said lid communicating with said communication portions of said container member are formed as pyramidal or circular truncated conical projections.
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) | 1991-12-13 | 1992-06-13 | 1992-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-13 | 1996-06-13 | 1996-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-13 | 2000-06-13 | 2000-12-13 | $7700.00 | Window Closed / Lapsed |