US3616746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food heating apparatus
Assignee: Emerson Electric Co
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Filing: 1970-07-15
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Granted: 1971-11-02
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Expires: 1990-07-15
Abstract
Abstract FOOD HEATING APPARATUS, PARTICULARLY FOR WARMING AND FRESHENING ROLLS AND BUNS, COMPRISING A PLATE ON WHICH THE FOOD PRODUCT IS PLACED, THE PLATE FORMING THE TOP OF A MAIN STEAM CHAMBER. A DRY STEAM CHAMBER, WITHIN THE MAIN STEAM CHAMBER, RECEIVES STEAM FROM THE LATTER, THE STEAM FROM THE DRY STEAM CHAMBER ISSUING FROM THROUGH APERTURES IN THE TOP PLATE TO WARM THE FOOD PRODUCTS THEREON. THE DRY STEAM CHAMBER IS CONSIDERABLY SMALLER THAN THE MAIN CHAMBER SO THAT STEAM WITHIN THE LATTER MAINTAINS THE TOP PLATE IN HEATED CONDITION.
Inventors
- 👤 Robert H Sliwoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:32
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |