US4532397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ovenware receptacle system
Assignee: Rubbermaid Inc
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Filing: 1982-07-06
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Granted: 1985-07-30
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Expires: 2002-07-06
Abstract
Abstract An ovenware receptacle system for popping grain in a microwave oven comprising a storage receptacle (14), a conical popper receptacle (12) and a perforated receptacle (13) all having upper rims adapted to fit one upon another with the popper receptacle and the perforated receptacle selectively in upright or inverted position for confining popped kernels within said perforated receptacle when inverted and transferring said popped kernels to said storage receptacle (14) by removing said popper receptacle (12) and bodily re-inverting said storage receptacle (14) and perforated receptacle (13).
Inventors
- 👤 Donald R. McClelland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:01
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/26; A47G19/02; A47J; A47J36/00; A47J36/02; A47J36/027; A47J36/16; A47J36/20; B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D81/3453; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3402; B65D2581/3421
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
158 words
A combination of microwave-transparent receptacles adapted selectively for cooking a variety of foods including popping grain in a microwave oven and storing the popped kernels and for defrosting, cooking and steaming other foods, comprising a storage receptacle having an upper rim, a conical popper receptacle having an upper rim, and a perforated receptacle nestable in said storage receptacle and having an upper rim, the popper receptacle being nestable in said perforated receptacle, the upper rims of said popper receptacle, perforated receptacle and storage receptacle adapted to fit one upon another in selective upright nested or inverted positions thereby supporting said respective receptacles relative to one another, said perforated receptacle adapted to confine popped kernels when assembled in inverted position on said popper receptacle in upright position within said storage receptacle, and to transfer popped kernels into said storage receptacle by bodily inverting said assembly, removing said popper receptacle and bodily reinverting said storage receptacle and said perforated receptacle.
Claim 2
Dependent Claim
158 words
A combination of microwave-transparent receptacles adapted selectively for cooking a variety of foods including popping grain in a microwave oven and storing the popped kernels and for defrosting, cooking and steaming other foods, comprising a storage receptacle having an upper rim, a conical popper receptacle having an upper rim, and a perforated receptacle nestable in said storage receptacle and having an upper rim, the popper receptacle being nestable in said perforated receptacle, the upper rims of said popper receptacle, perforated receptacle and storage receptacle adapted to fit one upon another in selective upright nested or inverted positions thereby supporting said respective receptacles relative to one another, said perforated receptacle adapted to confine popped kernels when assembled in inverted position on said popper receptacle in upright position within said storage receptacle, and to transfer popped kernels into said storage receptacle by bodily inverting said assembly, removing said popper receptacle and bodily reinverting said storage receptacle and said perforated receptacle.
Claim 3
Dependent Claim
41 words
A combination of microwave-transparent receptacles as described in claim 1, wherein said perforated receptacle is adapted to defrost, steam and cook other foods when supported within the storage receptacle with said popper receptacle supported in inverted position on said perforated receptacle.
Claim 4
Dependent Claim
26 words
A combination of microwave-transparent receptacles as described in claim 2, wherein said popper receptacle is nestable in said perforated receptacle when supported within said storage receptacle.
Claim 5
Dependent Claim
24 words
A combination of microwave-transparent receptacles as described in claim 2, wherein said perforated receptacle has a peripheral series of perforations in its bottom portion.
Claim 6
Dependent Claim
26 words
A combination of microwave-transparent receptacles as described in claim 4, wherein said popper receptacle is nestable in said perforated receptacle when supported within said storage receptacle.
Claim 7
Dependent Claim
29 words
A combination of microwave-transparent receptacles as described in claim 4, wherein the bottom wall of said perforated receptacle has an upwardly bulged central portion within said series of perforations.
Claim 8
Dependent Claim
34 words
A combination of microwave-transparent receptacles as described in claim 6, wherein said bottom of said perforated receptacle is spaced above the bottom wall of said storage receptacle when said perforated receptacle is nested therein.
Claim 9
Dependent Claim
26 words
A combination of microwave-transparent receptacles as described in claim 1, wherein said popper receptacle is nestable in said perforated receptacle when supported within said storage receptacle.
Claim 10
Dependent Claim
24 words
A combination of microwave-transparent receptacles as described in claim 8, wherein said perforated receptacle has a peripheral series of perforations in its bottom portion.
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) | 1988-07-29 | 1989-01-28 | 1989-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-29 | 1993-01-28 | 1993-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-29 | 1997-01-28 | 1997-07-30 | $7700.00 | Window Closed / Lapsed |