US4585915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers with attached lid for storage and microwave cooking
Assignee: DowBrands Inc
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Filing: 1985-04-29
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Granted: 1986-04-29
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Expires: 2005-04-29
Abstract
Abstract A container is provided for freeze storing and subsequent microwave heating and serving of food products. The cover is made of plastic or other suitable material transparent to electromagnetic radiation. The container includes a base having a flat bottom thereon on which the container may rest. The base is upwardly open and has an upper edge with an outwardly projecting rim. Two cover portions are pivotally mounted on the base and have lower edges with inwardly directing flanges interfitting with the rim of the base to seal the cover portions to the base. The cover portions seal to one another by structure such as a tongue and groove joint, and structure is provided for releasably holding the cover portions in closed position.
Inventors
- 👤 Michael A. Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:55
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D81/3453; Y; Y10; Y10S; Y10S220/00; Y10S220/912; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
148 words
A container for freeze storing and subsequent microwave heating and serving of food products made of material transparent to electromagnetic radiation and comprising a base of substantially semi-cylindrical configuration of predetermined radius having closed ends and having a chordally flat bottom on which said container may rest, said base being upwardly open and having an upper edge with an outwardly projecting rim, and two cover portions each of substantially cylindrical configuration of greater radius than said predetermined radius with closed ends, said cover portions being respectively pivoted to said base and having lower edges with inwardly directed flange means interfitting with said rim to seal said cover portions to said base, said cover portions having mutually confronting edges with cooperating means for sealing said cover portions to one another, said cover portions being pivotable from a position overlying and closing said base to a position underlying said base.
Claim 2
Dependent Claim
148 words
A container for freeze storing and subsequent microwave heating and serving of food products made of material transparent to electromagnetic radiation and comprising a base of substantially semi-cylindrical configuration of predetermined radius having closed ends and having a chordally flat bottom on which said container may rest, said base being upwardly open and having an upper edge with an outwardly projecting rim, and two cover portions each of substantially cylindrical configuration of greater radius than said predetermined radius with closed ends, said cover portions being respectively pivoted to said base and having lower edges with inwardly directed flange means interfitting with said rim to seal said cover portions to said base, said cover portions having mutually confronting edges with cooperating means for sealing said cover portions to one another, said cover portions being pivotable from a position overlying and closing said base to a position underlying said base.
Claim 3
Dependent Claim
30 words
A container as set forth in claim 1 wherein the confronting edges of the cover are provided with tongue and groove structures for sealing the cover portions to one another.
Claim 4
Dependent Claim
34 words
A container as set forth in claim 1 wherein said cover portions are provided with flat surfaces for supporting said container on a table or the like with said cover portions in open position.
Claim 5
Dependent Claim
30 words
A container as set forth in claim 3 wherein the confronting edges of the cover are provided with tongue and groove structures for sealing the cover portions to one another.
Claim 6
Dependent Claim
24 words
A container as set forth in claim 1 and further including means on said cover portions for holding said cover portions in closed position.
Claim 7
Dependent Claim
48 words
A container as set forth in claim 5 wherein confronting edges of said cover portions provide a tongue and groove joint for sealing the cover portions together, said tongue and groove joint at least in part providing an interference fit to hold said cover portions in closed position.
Claim 8
Dependent Claim
33 words
A container as set forth in claim 5 wherein the means for holding the cover portions in closed position comprises upward projections on said cover portions and a band encircling said upward projections.
Claim 9
Dependent Claim
16 words
A container as set forth in claim 7 wherein said cover portions are provided with handles.
Claim 10
Dependent Claim
179 words
A container for freeze storing and subsequent microwave heating and serving of food products made of material transparent to electromagnetic radiation and comprising a base of substantially semi-cylindrical configuration of predetermined radius having closed ends and having a chordally flat bottom on which said container may rest, said base being upwardly open and having an upper edge with an outwardly projecting rim, and two cover portions each of substantially cylindrical configuration of greater radius than said predetermined radius with closed ends, said cover portions being respectively pivoted to said base and having lower edges with inwardly directed flange means interfitting with said rim to seal said cover portions to said base, said cover portions having mutually confronting edges with cooperating means for sealing said cover portions to one another, said cover portions having flat surfaces for supporting said container on a table or the like with said cover portions in open position, the flat surfaces of the cover portions being spaced below the flat bottom of said base for spacing said base above a supporting table or the like.
Claim 11
Dependent Claim
179 words
A container for freeze storing and subsequent microwave heating and serving of food products made of material transparent to electromagnetic radiation and comprising a base of substantially semi-cylindrical configuration of predetermined radius having closed ends and having a chordally flat bottom on which said container may rest, said base being upwardly open and having an upper edge with an outwardly projecting rim, and two cover portions each of substantially cylindrical configuration of greater radius than said predetermined radius with closed ends, said cover portions being respectively pivoted to said base and having lower edges with inwardly directed flange means interfitting with said rim to seal said cover portions to said base, said cover portions having mutually confronting edges with cooperating means for sealing said cover portions to one another, said cover portions having flat surfaces for supporting said container on a table or the like with said cover portions in open position, the flat surfaces of the cover portions being spaced below the flat bottom of said base for spacing said base above a supporting table or the like.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |