IP Library Granted Patent US 7,345,262
Granted Patent B2
US 7,345,262 · App. 11/268,017 · Granted Mar 18, 2008

Microwave interactive display package

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Quick Facts
Patent No.
US 7,345,262
App. No.
11/268,017
Granted
Mar 18, 2008
Kind
B2
Abstract

Various microwave energy interactive display packages, blanks for forming such packages, and methods of displaying and heating a food item are provided.

Claims (24)

1. A package comprising a plurality of adjoined panels defining a cavity for receiving a food item, the food item including at least one surface intended to be browned and/or crisped in a microwave oven, wherein

the plurality of adjoined panels includes

a first panel including a transparent viewing window, and

a second panel opposed to the first panel,

the package includes a microwave energy interactive material overlying at least a portion of the second panel, the microwave energy interactive material being capable of converting microwave energy to thermal energy,

in a first configuration, the transparent viewing window displays at least a portion of the surface of the food item intended to be browned and/or crisped, and

in a second configuration inverted from the first configuration, the microwave energy interactive material is adjacent to at least a portion of the surface of the food item intended to be browned and/or crisped.

2. The package of claim 1 , wherein the transparent viewing window comprises an aperture circumscribed by the first panel.

3. The package of claim 1 , wherein a substantially transparent polymer film overlies the transparent viewing window.

4. The package of claim 1 , wherein

the transparent viewing window is a first transparent viewing window, and

the first panel includes a second transparent viewing window.

5. The package of claim 1 , wherein

the plurality of panels further includes a first side panel and a second side panel in an opposed relation,

at least a first slit extends continuously through the first panel and the first side panel, and

at least a second slit extends continuously though the first panel and the second side panel.

6. The package of claim 5 , wherein the first slit and the second slit each define a locking feature for securing a tray within the cavity.

7. The package of claim 1 , in combination with a tray dimensioned to be received within the cavity.

8. A method of using the package of claim 1 , comprising:

inserting the food item into the package such that the surface to be browned and/or crisped can be seen through the transparent viewing window;

removing the food item from the package prior to heating the food item in a microwave oven;

inverting the package;

inserting the food item into the package such that the surface to be browned and/or crisped is positioned adjacent to the microwave energy interactive material; and

exposing the food item to microwave energy m a microwave oven.

Assignments (10)
RELEASE OF SECURITY INTEREST Recorded Apr 15, 2026
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS SUCCESSOR‑IN‑INTEREST TO U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: GRAPHIC PACKAGING INTERNATIONAL, LLC
Reel/Frame 075415/0575 →
SECURITY INTEREST Recorded Apr 1, 2021
From: GRAPHIC PACKAGING INTERNATIONAL, LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 055811/0676 →
RELEASE OF SECURITY INTEREST Recorded Mar 10, 2021
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: GRAPHIC PACKAGING INTERNATIONAL, LLC; FIELD CONTAINER QUERETARO (USA), L.L.C.
Reel/Frame 055545/0204 →
SECURITY AGREEMENT Recorded Mar 8, 2021
From: GRAPHIC PACKAGING INTERNATIONAL, LLC
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 055520/0204 →
CERTIFICATE OF CONVERSION Recorded Jan 29, 2018
From: GRAPHIC PACKAGING INTERNATIONAL, INC.
To: GRAPHIC PACKAGING INTERNATIONAL, LLC
Reel/Frame 045182/0655 →
SECURITY AGREEMENT Recorded Jan 8, 2018
From: GRAPHIC PACKAGING INTERNATIONAL, LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 045020/0746 →
SECURITY INTEREST Recorded Jan 5, 2018
From: GRAPHIC PACKAGING INTERNATIONAL, LLC (FORMERLY KNOWN AS GRAPHIC PACKAGING INTERNATIONAL, INC.); FIELD CONTAINER QUERETARO (USA), L.L.C.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 045009/0001 →
NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Dec 22, 2014
From: GRAPHIC PACKAGING HOLDING COMPANY; GRAPHIC PACKAGING CORPORATION; GRAPHIC PACKAGING INTERNATIONAL, INC.; BLUEGRASS LABELS COMPANY, LLC; FIELD CONTAINER QUERETARO (USA), L.L.C.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 034689/0185 →
SECURITY INTEREST Recorded May 21, 2007
From: GRAPHIC PACKAGING INTERNATIONAL, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 019458/0437 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2005
From: KEEFE, DAN
To: GRAPHIC PACKAGING INTERNATIONAL, INC.
Reel/Frame 017201/0883 →