Patent US4036151A successfully refreshed from Google Patents.
US4036151A
Expired / Lapsed
US
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Microwave cooking apparatus with turntable
Assignee: Sharp Corp
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Filing: 1975-06-26
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Granted: 1977-07-19
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Expires: 1995-06-26
Abstract
Abstract In a type of the microwave cooking apparatus provided with a turntable rotating foodstuffs within the oven cavity to effect uniform heating, the turntable is provided to freely couple with or separate from a power transmission system including a power source. In particular, the turntable is utilized as a foodstuff shelf within the oven cavity when the it is associated with the power transmission system and also is utilized as a cooking tray when it is removed from the power transmission system and desposed directly on a dining table.
Inventors
- 👤 Yasuo Shin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:38
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6408; H05B6/6411; A; A47; A47J; A47J37/00; A47J37/04; A47J37/046; Y; Y10; Y10S; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
161 words
A turntable for use in a microwave oven, made of a low dielectric loss inorganic material such as glass and ceramics and adapted to rotate a foodstuff mounted thereon at the base portion of said microwave oven during cooking, said turntable being removably engaged with the base of the microwave oven and comprising: a raised edge provided at the peripheral portion of the upper surface thereof and serving as a drain for collecting the liquid ingredients from the foodstuff; a connection provided on the turntable and removably engaged with a source of driving force for rotating said turntable, said engagement providing a pedestal for rotation of said turntable; and one or more legs provided at the lower surface thereof for stabilizing the turntable when positioned on a level surface, whereby said turntable, because of its removable engagement with the driving source, functioning as a foodstuff supporter within the oven and as a tableware when the turntable is removed from the oven.
Claim 2
Dependent Claim
161 words
A turntable for use in a microwave oven, made of a low dielectric loss inorganic material such as glass and ceramics and adapted to rotate a foodstuff mounted thereon at the base portion of said microwave oven during cooking, said turntable being removably engaged with the base of the microwave oven and comprising: a raised edge provided at the peripheral portion of the upper surface thereof and serving as a drain for collecting the liquid ingredients from the foodstuff; a connection provided on the turntable and removably engaged with a source of driving force for rotating said turntable, said engagement providing a pedestal for rotation of said turntable; and one or more legs provided at the lower surface thereof for stabilizing the turntable when positioned on a level surface, whereby said turntable, because of its removable engagement with the driving source, functioning as a foodstuff supporter within the oven and as a tableware when the turntable is removed from the oven.
Claim 3
Dependent Claim
25 words
A turntable as defined in claim 1, wherein said raised edge defines an annular groove disposed at the peripheral portion of the upper surface thereof.
Claim 4
Dependent Claim
33 words
A turntable as defined in claim 1, wherein said connection comprises a swelling extending from the lower surface of said turntable to removably engage with a depression operatively associated with the driving source.
Claim 5
Dependent Claim
34 words
A turntable as defined in claim 1, wherein said connection comprises teeth formed at the peripheral sidewall of the turntable and adapted to mesh with a transmission gear operatively associated with the driving source.
References Cited (Backward Citations)
US905018A
Cited
US1448446A
Cited
US1444042A
Cited
US1608704A
Cited
US1575988A
Cited
US2650554A
Cited
US2724764A
Cited
US3046052A
Cited
US3012496A
Cited
US3302632A
Cited
US3302594A
Cited
US3410116A
Cited
US3448701A
Cited
US3740513A
Cited
US3836003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |