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US4951866A
Expired / Lapsed
US
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Food container and method
Assignee: Restaurant Technology Inc
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Filing: 1988-11-07
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Granted: 1990-08-28
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Expires: 2008-11-07
Abstract
Abstract A compartmented container and method of packaging is provided. The container in one embodiment has first and second compartments and a removable insert to separate the two compartments. In the closed position, the second compartment is on top of the first compartment. The insert is removable when the container is closed and includes a support tab that is insertable into a slot in the container to restrain movement of the insert and to distribute forces through the sidewalls of the container.
Inventors
- 👤 Eileen M. Rusnak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:21
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3205; B65D81/3211; B65D25/00; B65D25/02; B65D25/04; B65D25/08; Y; Y10; Y10S; Y10S229/00; Y10S229/902
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
230 words
A container for storing contents in separate compartments comprising: (a) a first compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion; (b) a second compartment defined by a bottom portion and side portions and an open portion opposite said bottom portion, said second compartment being adapted to lie over the open portion of said first compartment with said open portion of said first compartment facing the open portion of said second compartment to close said container; (c) a removable insert positionable over the open portion of one of said compartments when said container is open, said insert having a periphery and said insert further having a gripping tab that extends the periphery of said insert beyond at least one of the side portions of said container to facilitate removal of said insert when said insert is positioned between said first and second compartments by grasping said tab portion and pulling said insert from said container while said container is closed; (d) a support tab projecting from the periphery of said insert, opposite said gripping tab, for supporting said insert; and (e) a slot in one of said side portions of said container, said slot located and dimensioned to permit insertion of said supporting tab when said removable insert is in position between said open portions to restrain movement of said insert.
Claim 2
Dependent Claim
230 words
A container for storing contents in separate compartments comprising: (a) a first compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion; (b) a second compartment defined by a bottom portion and side portions and an open portion opposite said bottom portion, said second compartment being adapted to lie over the open portion of said first compartment with said open portion of said first compartment facing the open portion of said second compartment to close said container; (c) a removable insert positionable over the open portion of one of said compartments when said container is open, said insert having a periphery and said insert further having a gripping tab that extends the periphery of said insert beyond at least one of the side portions of said container to facilitate removal of said insert when said insert is positioned between said first and second compartments by grasping said tab portion and pulling said insert from said container while said container is closed; (d) a support tab projecting from the periphery of said insert, opposite said gripping tab, for supporting said insert; and (e) a slot in one of said side portions of said container, said slot located and dimensioned to permit insertion of said supporting tab when said removable insert is in position between said open portions to restrain movement of said insert.
Claim 3
Dependent Claim
16 words
The container of claim 1 wherein said supporting tab at least partially supports said removable insert.
Claim 4
Dependent Claim
32 words
The container of claim 1 wherein said supporting tab and said gripping tab at least partially supports the weight of said removable insert and the weight of any contents on said insert.
Claim 5
Dependent Claim
41 words
The container of claim 1 wherein the weight of said removable insert and the weight of any contents on said insert is at least partially transmitted through said supporting tab and said gripping tab to said side portions of the container.
Claim 6
Dependent Claim
34 words
The container of claim 4 wherein said transmission of weight prevents substantial deformation and downward movement of the removable insert thereby avoiding deformation of any contents located in said container below said removable insert.
Claim 7
Dependent Claim
59 words
The container of claim 1 wherein said container is adapted for containing a hamburger sandwich comprising from top to bottom, a bun crown, condiments, a hamburger patty and a bun heel, the container being dimensioned so that the first compartment can contain the bun heel and hamburger patty and the second compartment can contain the condiments and bun crown.
Claim 8
Dependent Claim
22 words
The container of claim 1 wherein said slot is located in the side portion of said second compartment opposite said gripping tab.
Claim 9
Dependent Claim
21 words
The container of claim 7 wherein said first compartment defines a bottom compartment and said second compartment defines a top compartment.
Claim 10
Dependent Claim
81 words
The container of claim 1 further comprising hinge means along one side portion of the container hingedly connecting said first and second compartments and allowing the container to be opened by lifting the second compartment up and away from the first compartment and the container can be closed by folding the second compartment over and onto the first compartment while said insert is in position covering the opening of one of said compartments with said support tab disposed within said slot.
Claim 11
Dependent Claim
15 words
The container of claim 9 wherein said insert covers the opening of said second compartment.
Claim 12
Dependent Claim
17 words
The container of claim 1 further comprising latching means for retaining the container in a closed position.
Claim 13
Dependent Claim
16 words
The container of claim 1 wherein said first and second compartments are detachable from each other.
Claim 14
Dependent Claim
12 words
The container of claim 1 wherein said container is constructed of polystyrene.
Claim 15
Dependent Claim
13 words
The container of claim 1 wherein said container is constructed of foamed material.
Claim 16
Dependent Claim
11 words
The container of claim 1 wherein said insert is a platform.
Claim 17
Dependent Claim
27 words
The container of claim 15 wherein said platform is an insulating platform for restricting heat transfer from one of said compartments to the other of said compartments.
Claim 18
Dependent Claim
245 words
A sandwich package for storing sandwich contents in separate compartments comprising: (a) a first compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion; (b) a second compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion and a slot in one of said side portions of said second compartment adjacent the open portion of said second compartment; (c) hinge means connecting side portions of said first and second compartments permitting said second compartment to be folded over and onto said first compartment to define an enclosed volume comprising said first and second compartments with the bottom portion of said second compartment defining the top of said package when closed; (d) a removable platform positionable over the open portion of said second compartment, said platform having a periphery, a portion of said periphery defining a support tab projecting from said platform, said support tab dimensioned to allow insertion of said tab into said slot when said platform is positioned over said open portion of said second compartment for restraining said platform from movement and for at least partially supporting the weight of said platform and the weight of any contents located in said second compartment and to prevent the contents of said second compartment from moving said platform away from said second compartment when said package is closed by folding said second compartment over and onto said first compartment.
Claim 19
Dependent Claim
245 words
A sandwich package for storing sandwich contents in separate compartments comprising: (a) a first compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion; (b) a second compartment defined by a bottom portion and side portions and having an open portion opposite said bottom portion and a slot in one of said side portions of said second compartment adjacent the open portion of said second compartment; (c) hinge means connecting side portions of said first and second compartments permitting said second compartment to be folded over and onto said first compartment to define an enclosed volume comprising said first and second compartments with the bottom portion of said second compartment defining the top of said package when closed; (d) a removable platform positionable over the open portion of said second compartment, said platform having a periphery, a portion of said periphery defining a support tab projecting from said platform, said support tab dimensioned to allow insertion of said tab into said slot when said platform is positioned over said open portion of said second compartment for restraining said platform from movement and for at least partially supporting the weight of said platform and the weight of any contents located in said second compartment and to prevent the contents of said second compartment from moving said platform away from said second compartment when said package is closed by folding said second compartment over and onto said first compartment.
Claim 20
Dependent Claim
100 words
The package of claim 17 further comprising a gripping tab extending said periphery of said platform opposite from said support tab beyond at least one of the side portions of said package when said platform is in position in said slot and over the opening of the second compartment, for facilitating removal of said platform from said package when said package is closed and for supporting said platform, in conjunction with said support tab, and for transferring at least a portion of the weight of the platform and any contents in said compartment to the side portions of the package.
Claim 21
Dependent Claim
36 words
The package of claim 18 wherein said support tab and said gripping tab prevent said platform from being urged into the first compartment, thereby preventing contact and deformation of any contents contained in said first compartment.
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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) | 1993-08-27 | 1994-02-26 | 1994-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-27 | 1998-02-26 | 1998-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-27 | 2002-02-26 | 2002-08-28 | $7700.00 | Window Closed / Lapsed |