US4965424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable food container for microwave ovens
Assignee: MASS MARKET SALES Inc A CORP OF FL
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Filing: 1989-05-25
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Granted: 1990-10-23
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Expires: 2009-05-25
Abstract
Abstract A disposable food container that is particularly suited for microwave ovens includes a base and at least one upright container wall. The container wall forms with the base an open-topped food container for eggs and other foods, which can be placed into a microwave oven for cooking the food. The container wall is separately attachable to the base. The base and container wall can intially be provided as a single card, where serrations or other suitable structure permit the separation of the card into base and container wall portions. Tabs can be provided in the container wall to engage slots provided in the base, and can be folded under the base to attach the container wall to the base. Interlocking structure can be provided at the free ends of the container wall to secure these ends together and to thereby form with the base a closed-perimeter container for the food.
Inventors
- 👤 Bruce Bagley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:44
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/13; A21B3/131; B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D81/3453; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3402; B65D2581/341; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
102 words
An assembly for constructing a food container for microwave ovens, comprising: a base having spaced-apart slots; a container wall comprising an elongated strip having free ends and spaced-apart tabs at a long side edge of said elongated strip, said slots on said base being adapted to receive said tabs on said container wall strip, end attachment means being provided at said free ends of said container wall strip for securing said free ends together, whereby said tabs can be positioned through said slots and folded under said base to secure said container wall to said strip in an upstanding, substantially closed-perimeter configuration.
Claim 2
Dependent Claim
102 words
An assembly for constructing a food container for microwave ovens, comprising: a base having spaced-apart slots; a container wall comprising an elongated strip having free ends and spaced-apart tabs at a long side edge of said elongated strip, said slots on said base being adapted to receive said tabs on said container wall strip, end attachment means being provided at said free ends of said container wall strip for securing said free ends together, whereby said tabs can be positioned through said slots and folded under said base to secure said container wall to said strip in an upstanding, substantially closed-perimeter configuration.
Claim 3
Dependent Claim
48 words
The assembly of claim 1, wherein said end attachment means comprises an interlocking tab at each of said free ends of said container wall strip, said interlocking tabs being adapted for cooperative engagement to one another to secure said free ends of said container wall to one another.
Claim 4
Dependent Claim
60 words
The assembly of claim 2, wherein said interlocking tabs are formed by channels at said free ends, said channels extending inwardly from opposing long side edges of said container wall strip, whereby said interlocking tabs so formed will be oppositely oriented, and will be adapted to engage one another to secure together said free ends of the container wall together.
Claim 5
Dependent Claim
32 words
The assembly of claim 1, wherein said base and said container will are fixed within a card, said card having means for separating said base and said container wall from said card.
Claim 6
Dependent Claim
11 words
The assembly of claim 4, wherein said separation means comprises serrations.
Claim 7
Dependent Claim
138 words
A card for constructing a food container for use in microwave ovens, comprising: separation means in said card defining at least one base and at least one container wall, said separation means being adapted for the separation of said base and said container wall from said card; said separation means for said container wall defining an elongated strip having free ends when removed from said card, and a plurality of spaced-apart tabs extending outwardly from a long side edge of said strip, end attachment means formed in said container wall strip further comprising end attachment means adapted to secure said free ends of said container wall together; said base comprising slots adapted to receive said tabs of said container wall strip, whereby said tabs can be inserted through said slots to attach said container wall to said base.
Claim 8
Dependent Claim
138 words
A card for constructing a food container for use in microwave ovens, comprising: separation means in said card defining at least one base and at least one container wall, said separation means being adapted for the separation of said base and said container wall from said card; said separation means for said container wall defining an elongated strip having free ends when removed from said card, and a plurality of spaced-apart tabs extending outwardly from a long side edge of said strip, end attachment means formed in said container wall strip further comprising end attachment means adapted to secure said free ends of said container wall together; said base comprising slots adapted to receive said tabs of said container wall strip, whereby said tabs can be inserted through said slots to attach said container wall to said base.
Claim 9
Dependent Claim
19 words
The card of claim 6, wherein said end attachment means comprises interlocking tabs at each of said free ends.
Claim 10
Dependent Claim
61 words
The card of claim 7, wherein said interlocking tabs are formed by channels at each of said free ends, said channels extending inwardly from opposing long side edges of said container wall strip, whereby said interlocking tabs so formed will be oppositely oriented, and will be adapted to engage one another to secure together said free ends of the container wall.
Claim 11
Dependent Claim
46 words
The card of claim 8, wherein said card comprises at least two base portions and at least two container wall portions, said base portions being juxtaposed to provide an elongated card, said container wall portions being provided at the long side edges of said elongated card.
Claim 12
Dependent Claim
41 words
The card of claim 6, wherein said card comprises at least two base portions and two container wall portions, said base portions being juxtaposed in said card, and said container wall portions being provided at long side edges of said card.
Claim 13
Dependent Claim
29 words
The card of claim 6, wherein said card is cardboard with a non-stick coating, whereby food cooked in said container will not adhere to said portions of said container.
Claim 14
Independent Claim
143 words
A method of constructing a food container for microwave ovens, comprising the steps of: separating from a card a base portion and a container wall portion, said container wall portion comprising an elongated strip having free ends when removed from said card, and having a plurality of spaced-apart tabs extending outwardly from a long said edge of said strip, said base portion being provided with a plurality of slots corresponding in position to said tabs on said container wall portion; placing said tabs of said container wall portion into said slots of said base portion, and attaching free ends of said container wall portion to one another to substantially seal the perimeter of said container, whereby said container wall portion will be engaged to said base portion in a substantially upright, closed-perimeter configuration, and whereby an open-topped container for food will be formed.
Claim 15
Independent Claim
143 words
A method of constructing a food container for microwave ovens, comprising the steps of: separating from a card a base portion and a container wall portion, said container wall portion comprising an elongated strip having free ends when removed from said card, and having a plurality of spaced-apart tabs extending outwardly from a long said edge of said strip, said base portion being provided with a plurality of slots corresponding in position to said tabs on said container wall portion; placing said tabs of said container wall portion into said slots of said base portion, and attaching free ends of said container wall portion to one another to substantially seal the perimeter of said container, whereby said container wall portion will be engaged to said base portion in a substantially upright, closed-perimeter configuration, and whereby an open-topped container for food will be formed.
Claim 16
Dependent Claim
29 words
The method of claim 12, wherein said step of attaching ends of said container wall to one another comprises the interlocking of tabs at each of said free ends.
Claim 17
Dependent Claim
29 words
The method of claim 12, wherein said separation step comprises the breaking of serrations formed in said card, said serrations defining said base portion and said container wall portion.
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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) | 1993-10-22 | 1994-04-23 | 1994-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-22 | 1998-04-23 | 1998-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-22 | 2002-04-23 | 2002-10-23 | $7700.00 | Window Closed / Lapsed |