US4894247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous microwave susceptor package
Assignee: EIDP Inc
•
Filing: 1987-12-11
•
Granted: 1990-01-16
•
Expires: 2007-12-11
Abstract
Abstract A package for uniform microwave cooking of a food item such as an egg roll, which requires surface browning or crispening, comprises a drapable, liquid permeable, microwave susceptive composite material draped around the food item, and a paper board holder having at least one cutout portion into which the wrapped food item nestles.
Inventors
- 👤 Dan S. C. Fong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:44
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D81/3461; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3402; B65D2581/3416; B65D2581/3437; B65D2581/3486; B65D2581/3494; Y; Y10; Y10S; Y10S206/00; Y10S206/805
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
193 words
A package useful for heating or cooking a food item in a microwave oven, comprising (a) a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, said composite material being folded over said food item and in contact with the exterior surfaces of said food item, said composite material forming extensions beyond the periphery of said food item, the inner surfaces of the extensions being in contacting relationship with each other, the extensions forming a flap around at least a part of the periphery of said food item, and (b) a holder comprising two substantially flat parts, each part being provided with a cutout portion of a size and shape suitable for encompassing said food item contained within said composite material, wherein the parts of said holder are joined together face to face, the cutout portions being opposite each other and encompassing said food item and composite material, and wherein the flap formed from said composite material extends beyond said cutout portion and is sandwiched between the two flat parts of said holder, thereby securing said food item in the cutout portion.
Claim 2
Dependent Claim
193 words
A package useful for heating or cooking a food item in a microwave oven, comprising (a) a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, said composite material being folded over said food item and in contact with the exterior surfaces of said food item, said composite material forming extensions beyond the periphery of said food item, the inner surfaces of the extensions being in contacting relationship with each other, the extensions forming a flap around at least a part of the periphery of said food item, and (b) a holder comprising two substantially flat parts, each part being provided with a cutout portion of a size and shape suitable for encompassing said food item contained within said composite material, wherein the parts of said holder are joined together face to face, the cutout portions being opposite each other and encompassing said food item and composite material, and wherein the flap formed from said composite material extends beyond said cutout portion and is sandwiched between the two flat parts of said holder, thereby securing said food item in the cutout portion.
Claim 3
Dependent Claim
74 words
The package of claim 1 wherein the drapable, liquid permeable, microwave susceptive composite material comprises a fibrous, dielectric substrate, which substrate is treated with at least one microwave susceptor material, the amount of said microwave susceptor material being sufficient to generate adequate heat to rapidly brown or crispen the surface of said food item without substantially impeding the ability of the microwave energy to penetrate said susceptor material and cook said the food item.
Claim 4
Dependent Claim
17 words
The package of claim 1 wherein the holder extends beyond the flap formed from the composite material.
Claim 5
Dependent Claim
13 words
The package of claim 3 wherein the holder is made of paper board.
Claim 6
Dependent Claim
20 words
The package of claim 1 further comprising a means for supporting said package within the interior of a microwave oven.
Claim 7
Dependent Claim
20 words
The package of claim 5 wherein the supporting means comprises foldout leg portions formed as a part of the holder.
Claim 8
Dependent Claim
38 words
The package of claim 5 wherein the supporting means is an elastic string attached to the holder, said elastic string being of such a length that said package can be suspended and hang freely within said microwave oven.
Claim 9
Dependent Claim
23 words
The package of claim 5 wherein the supporting means is a paper board base adapted to hold the holder in a vertical position.
Claim 10
Dependent Claim
29 words
The package of claim 7 wherein the elastic string is attached to said holder by means of a hole in said holder through which said elastic string is passed.
Claim 11
Dependent Claim
26 words
The package of claim 1 wherein the holder comprises a single piece of paper board, which is folded to form the two parts of said holder.
Claim 12
Dependent Claim
19 words
The package of claim 10 wherein the holder is secured in its folded configuration by means of an adhesive.
Claim 13
Dependent Claim
68 words
A package useful for heating or cooking a food item in a microwave oven containing a support means, said package comprising: (a) a microwave compatible liquid permeable container containing said food item, and (b) an elastic string attached to said microwave compatible container, said elastic string being of such a length that said package can be suspended and hang freely from said support means within the microwave oven.
Claim 14
Dependent Claim
68 words
A package useful for heating or cooking a food item in a microwave oven containing a support means, said package comprising: (a) a microwave compatible liquid permeable container containing said food item, and (b) an elastic string attached to said microwave compatible container, said elastic string being of such a length that said package can be suspended and hang freely from said support means within the microwave oven.
Claim 15
Dependent Claim
39 words
A process for cooking a food item in a microwave oven, comprising inserting the package of claim 1 into said microwave oven and cooking said food contained therein for a time sufficient to attain the desired degree of cooking.
Claim 16
Dependent Claim
104 words
A process for cooking a food item contained in the package of claim 7 in a microwave oven, the cavity of said oven containing a support means at a sufficient height that said package can be freely suspended therefrom by means of said elastic string, said process comprising: (a) imparting twist to said elastic string, (b) inserting said package into the microwave oven, (c) suspending said package from said support means by means of said elastic string, whereby said package oscillates freely within the oven cavity, and (d) cooking the food contained therein for a time sufficient to attain the desired degree of cooking.
Claim 17
Dependent Claim
113 words
A process for cooking a food item contained in the package of claim 12 in a microwave oven, the cavity of said oven containing a support means at a sufficient height that said package can be freely suspended therefrom by means of said elastic string, comprising: (a) imparting twist to said elastic string, (b) inserting said package into the microwave oven, (c) suspending said package from said support means by means of said elastic string, whereby the package oscillates freely within the oven cavity to an extent sufficient to permit uniform cooking by microwave energy, and (d) cooking the food contained therein for a time sufficient to attain the desired degree of cooking.
Claim 18
Dependent Claim
157 words
A process for packaging a food item, comprising: (a) placing said food item adjacent to a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, (b) folding said composite material so as to cover said food item and to form extensions beyond the periphery of said food item, the inner surfaces of said extensions being in contacting relationship with each other, (c) removing cutout portions from a piece of paper board, which cutout portions are of a size and shape suitable for encompassing said food item contained within said composite material, (d) folding said piece of paper board so that the cutout portions meet on either side of the fold, (e) placing said folded composite material containing said food item within the folded paper board so that the cutout portions encompass the food item, and (f) securing said piece of paper board in its folded configuration.
Claim 19
Dependent Claim
157 words
A process for packaging a food item, comprising: (a) placing said food item adjacent to a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, (b) folding said composite material so as to cover said food item and to form extensions beyond the periphery of said food item, the inner surfaces of said extensions being in contacting relationship with each other, (c) removing cutout portions from a piece of paper board, which cutout portions are of a size and shape suitable for encompassing said food item contained within said composite material, (d) folding said piece of paper board so that the cutout portions meet on either side of the fold, (e) placing said folded composite material containing said food item within the folded paper board so that the cutout portions encompass the food item, and (f) securing said piece of paper board in its folded configuration.
Claim 20
Dependent Claim
58 words
The process of claim 16 wherein the composite material is supplied from a continuous roll and the paper board is supplied from a continuous roll, and the packaged food item is separated from the continuous roll of composite material and the continuous roll of paper board by cutting, after the paper board is secured in its folded configuration.
Claim 21
Dependent Claim
24 words
The process of claim 17 wherein the composite material is folded in one direction and the paper board is folded in the opposite direction.
Claim 22
Dependent Claim
34 words
The package of claim 12 wherein the microwave compatible container is made of paperboard and has at least one cutout portion of a size and shape suitable for encompassing said food item contained therein.
Claim 23
Dependent Claim
93 words
A package useful for heating or cooking a food item in a microwave oven containing a support means, said package comprising: (a) a microwave compatible container containing said food item, (b) an elastic string attached to said microwave compatible container, said elastic string being of such a length that said package can be suspended and hang freely from said support means within the microwave oven, and (c) a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, wrapped about said food item.
Claim 24
Dependent Claim
93 words
A package useful for heating or cooking a food item in a microwave oven containing a support means, said package comprising: (a) a microwave compatible container containing said food item, (b) an elastic string attached to said microwave compatible container, said elastic string being of such a length that said package can be suspended and hang freely from said support means within the microwave oven, and (c) a drapable, liquid permeable, microwave susceptive composite material comprising a fibrous dielectric substrate treated with at least one microwave susceptor material, wrapped about said food item.
References Cited (Backward Citations)
US1903104A
Cited
US3672907A
Cited
US3891775A
Cited
US4190757A
Cited
US4204105A
Cited
US4267420A
Cited
US4230924A
Cited
US4548826A
Cited
US4434197A
Cited
US4518651A
Cited
US4555605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-15 | 1993-07-17 | 1994-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-15 | 1997-07-17 | 1998-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-15 | 2001-07-17 | 2002-01-16 | $7700.00 | Window Closed / Lapsed |