Patent US1629784A successfully refreshed from Google Patents.
US4821884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary packaging
Assignee: GENERAL FOODS Ltd
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Filing: 1987-11-12
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Granted: 1989-04-18
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Expires: 2007-11-12
Abstract
Abstract In this invention, there is provided a combination of a heat resistant container containing a ready prepared meal and a secondary package providing support for the container and restricting the flow of hot air back to the container.
Inventors
- 👤 Christopher Griffin
- 👤 Peter Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:59
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/343; B65D77/00; B65D77/04; B65D77/0413; B65D77/0433; B65D81/3446; B65D81/3453; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10S229/904; Y10S229/906
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
95 words
A heat resistant container suitable for a ready prepared meal, which comprises a tray having a bottom, side walls, and a rim, said tray being located in a recess provided in a secondary package, at least a substantial portion of the rim thereby being supported by the portion of the secondary package surrounding said recess, said secondary package provided with a hinged lid which encloses the top surface of said tray, and said secondary package also having a plurality of flanges depending from the recess opening which bear upon the side wall of said tray.
Claim 2
Dependent Claim
95 words
A heat resistant container suitable for a ready prepared meal, which comprises a tray having a bottom, side walls, and a rim, said tray being located in a recess provided in a secondary package, at least a substantial portion of the rim thereby being supported by the portion of the secondary package surrounding said recess, said secondary package provided with a hinged lid which encloses the top surface of said tray, and said secondary package also having a plurality of flanges depending from the recess opening which bear upon the side wall of said tray.
Claim 3
Dependent Claim
30 words
A container as claimed in claim 1 wherein all of the rim of the tray is supported by the portion of the body of the secondary package surrounding the recess.
Claim 4
Dependent Claim
22 words
A container as claimed in claim 2 wherein the secondary package has two pairs of opposed flanges depending from the recess opening.
Claim 5
Dependent Claim
17 words
A container as claimed in claim 1 wherein the tray is made from a heat-resisting thermoplastics material.
Claim 6
Dependent Claim
31 words
A container as claimed in claim 4 wherein the heat-resisting thermoplastics material is polyester, polypropylene, polyethylene which has been exposed to high energy electron or electromagnetic irradiation, or a multilayer material.
Claim 7
Dependent Claim
24 words
A container as claimed in claim 1 wherein the secondary package is made from cardboard having a heat-resisting film coated thereon or bonded thereto.
Claim 8
Dependent Claim
17 words
A container as claimed in claim 6 wherein the heat-resisting film is a polyester or polyetherimide film.
Claim 9
Dependent Claim
22 words
A container as claimed in claim 1 wherein the secondary package is made from a foldable and heat resistant solid plastics material.
Claim 10
Dependent Claim
25 words
A container as claimed in claim 1 wherein the hinged lid is adapted to remain in the open position once the package has been opened.
Claim 11
Dependent Claim
38 words
A container as claimed in claim 1 wherein the hinged lid is provided with means to enable it to be locked into the secondary package to provide a splash-guard which is raised above the top of the tray.
Claim 12
Dependent Claim
24 words
A container as claimed in claim 10 wherein the hinged lid has a toungue which locks into a slot formed in the secondary package.
Claim 13
Dependent Claim
22 words
A container as claimed in claim 11 wherein the secondary package has a base portion which surrounds the bottom of the tray.
Claim 14
Dependent Claim
26 words
A container as claimed in claim 12 wherein there is an air gap between the bottom of the tray and the base of the secondary package.
Claim 15
Dependent Claim
14 words
A container as claimed in claim 12 wherein the secondary package has open ends.
Claim 16
Dependent Claim
33 words
A container as claimed in claim 1 wherein the flanges which depend from the recess opening bear against the side walls of the tray and also extend underneath the base of the tray.
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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) | 1992-04-17 | 1992-10-17 | 1993-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-17 | 1996-10-17 | 1997-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-17 | 2000-10-17 | 2001-04-18 | $7700.00 | Window Closed / Lapsed |