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US4916280A Expired / Lapsed US ⏱️ 0.0 years remaining

Food package adapted particularly for microwave heating

Assignee: Nestec SA
•
Filing: 1988-06-22
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Granted: 1990-04-10
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Expires: 2008-06-22
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Abstract

Abstract A food package, which is particularly useful for preparation of a food contained in the package by microwave heating, is embodied by a container for the food and by a cover. The cover is made of material which is transparent to microwaves and is removably connected to the container and provides a receptacle adjacent a first surface of the container for containing and for surrounding a second surface opposite the first surface with a fluid which absorbs microwaves.

Inventors

  • 👤 Bernard Havette

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:19
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/0212; B65D81/00; B65D81/34; B65D81/3446; B65D81/3453; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00268; B65D2543/00296; B65D2543/00342; B65D2543/00398; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00638; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00787; B65D2543/00796; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3429; B65D2581/3433; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10S99/00; Y10S99/14

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 66 words
A food package comprising a container for food and a cover covering a first surface of the container, the cover being made of a material transparent to microwaves, being removably connected to the container and having a receptacle adjacent the first surface of the container for containing and for surrounding a second surface of the container opposite the first surface with a fluid which absorbs microwaves.
Claim 2
Dependent Claim 66 words
A food package comprising a container for food and a cover covering a first surface of the container, the cover being made of a material transparent to microwaves, being removably connected to the container and having a receptacle adjacent the first surface of the container for containing and for surrounding a second surface of the container opposite the first surface with a fluid which absorbs microwaves.
Claim 3
Dependent Claim 52 words
A food package according to claim 1 wherein the receptable contains absorbent crinkled paper for containing the fluid which is covered by a water-proofed cardboard cover surface having tabs displaceable from a remainder of the cardboard cover surface for exposing the absorbent material and being positioned for holding the second container surface.
Claim 4
Dependent Claim 41 words
A food package according to claim 1 wherein the container has a continuous lateral wall extending from the first container surface to the second container surface and wherein the cover has a continuous lateral wall positioned adjacent the container lateral wall.
Claim 5
Dependent Claim 48 words
A food package according to claim 3 wherein studs project from a receptacle cover surface into the receptacle for providing a base for placing and holding the second container surface and thereby forming a cavity for the fluid between the second container surface and the receptacle cover surface.
Claim 6
Dependent Claim 38 words
A food package according to claim 3 wherein the cover lateral wall extends, at a point between the first and second container surfaces, away from the container lateral wall to form a skirt about the container lateral wall.
Claim 7
Dependent Claim 19 words
A food package according to claim 5 wherein the skirt contains score lines for defining handles and flexible tabs.
Claim 8
Dependent Claim 48 words
A food package according to claim 1 wherein studs project from a receptacle cover surface into the receptacle for providing a base for placing and holding the second container surface and thereby forming a cavity for the fluid between the second container surface and the receptacle cover surface.
Claim 9
Dependent Claim 31 words
A food package according to claim 7 wherein further studs project from the receptacle cover surface into the receptacle and are positioned for centering the container with respect to the receptacle.
Claim 10
Dependent Claim 21 words
A food package according to claim 7 wherein the receptacle contains absorbent crinkled paper between the studs for containing the fluid.
Claim 11
Dependent Claim 49 words
A food package according to claim 1 wherein the container has a shape of a frustopyramid such that the first container surface is a top surface of the frustopyramid and the second surface is a base of the frustopyramid having dimensions and an area smaller than the first surface.
Claim 12
Dependent Claim 49 words
A food package according to claim 1 wherein the container has a shape of a frustocone such that the first container surface is a top surface of the frustocone and the second surface is a base of the frustocone having dimensions and an area smaller than the first surface.
Claim 13
Dependent Claim 15 words
A food package according to claim 1 wherein the cover is made of water-proofed cardboard.
Claim 14
Dependent Claim 14 words
A food package according to claim 1 wherein the cover is made of plastic.
Claim 15
Dependent Claim 14 words
A food package according to claim 1 wherein the container is made of metal.
Claim 16
Dependent Claim 88 words
A food package comprising a container having a base surface and a continuous lateral wall extending to a top of the container and comprising a cover made of a microwave transparent material having inner and outer surfaces extending to a continuous lateral wall, being formed for enclosing the top of the container and being removable from the container and having a receptacle associated with the inner surface adjacent the top of the container for containing and for surrounding the container base surface with a fluid which absorbs microwaves.
Claim 17
Dependent Claim 88 words
A food package comprising a container having a base surface and a continuous lateral wall extending to a top of the container and comprising a cover made of a microwave transparent material having inner and outer surfaces extending to a continuous lateral wall, being formed for enclosing the top of the container and being removable from the container and having a receptacle associated with the inner surface adjacent the top of the container for containing and for surrounding the container base surface with a fluid which absorbs microwaves.
Claim 18
Dependent Claim 46 words
A food package according to claim 15 wherein studs project from the inner cover surface into the receptacle for providing a base for placing and holding the container base and thereby forming a cavity for the fluid between the container base and the inner cover surface.
Claim 19
Dependent Claim 31 words
A food package according to claim 15 wherein further studs project from the inner cover surface into the receptacle and are positioned for centering the container with respect to the receptacle.
Claim 20
Dependent Claim 37 words
A food package according to claim 15 wherein the cover lateral wall extends, at a point between the container top and base, away from the container lateral wall to form a skirt about the container lateral wall.
Claim 21
Dependent Claim 19 words
A food package according to claim 18 wherein the skirt contains score lines for defining handles and flexible tabs.
Claim 22
Dependent Claim 14 words
A food package according to claim 14 wherein the container is made of metal.

References Cited (Backward Citations)

US2993633A Cited
US3071307A Cited
US4260060A Cited
US4481392A Cited
US4439656A Cited
US4477705A Cited
US4612431A Cited
US4795649A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-04-09 1993-10-09 1994-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-04-09 1997-10-09 1998-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-04-09 2001-10-09 2002-04-10 $7700.00 Window Closed / Lapsed

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