US3289571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking apparatus
Assignee: Individual
•
Filing: 1965-07-07
•
Granted: 1966-12-06
•
Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Lewus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:44
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A ROASTER APPARATUS FOR COOKING MEAT, VEGETABLES, AND OTHER FOOD ITEMS WITHIN AN OVEN COMPRISING: ENCLOSURE MEANS, COMPRISING A BASE MEMBER AND A COVER MEMBER LOOSELY RESTING ON SAID BASE MEMBER, DEFINING A CLOSED, UNVENTED CHAMBER HAVING A LOW HEIGHT IN RELATION TO ITS WIDTH AND HAVING MINIMAL PRESSURE-RETENTION CAPABILITY, ADAPTED TO BE HEATED FROM ALL SIDES SIMULTANEOUSLY IN AN OVEN; A MOISTURE BARRIER, REMOVABLY MOUNTED IN SAID ENCLOSURE MEANS AND CLOSING OFF THE LOWER PORTION OF SAID CHAMBER FROM THE UPPER PORTION, SAID LOWER PORTION CONSTITUTING A MOISTURE CHAMBER FOR HOLDING A LIMITED SUPPLY OF WATER AND SAID UPPER CHAMBER CONSTITUTING A COOKING CHAMBER; THE BOTTOM OF SAID BARRIER BEING SUBSTANTIALLY COMPLETELY IMPERFORATE TO PREVENT DIRECT UPWARD FLOW OF STEAM FROM SAID MOISTURE CHAMBER INTO SAID COOKING CHAMBER, A LIMITED PERIPHERAL PORTION ONLY OF SAID BARRIER PAN AFFORDING A LIMITED OPENING BETWEEN SAID CHAMBERS TO PERMIT CIRCULATION OF A LIMITED SUPPLY OF STEAM TO SAID COOKING CHAMBER; AND SUPPORT MEANS, REMOVABLY MOUNTED WITHIN SAID BASE MEMBER AND EXTENDING ABOVE SAID BARRIER INTO SAID COOKING CHAMBER, FOR SUPPORTING FOOD ITEMS IN ELEVATED COOKING POSITION WITHIN SAID COOKING CHAMBER IN POSITION TO BE COOKED BY CONVECTION CURRENTS OF DRY AIR AND MOIST AIR WITHIN SAID COOKING CHAMBER, SAID SUPPORT MEANS CONSTITUTING A BAR RACK OPEN ON ALL SIDES TO PERMIT THE FLOW OF CONVECTION CURRENTS OF DRY HEATED AIR AND OF SAID LIMITED SUPPLY OF STEAM ALL AROUND THE FOOD.
Claim 2
Dependent Claim
239 words
A ROASTER APPARATUS FOR COOKING MEAT, VEGETABLES, AND OTHER FOOD ITEMS WITHIN AN OVEN COMPRISING: ENCLOSURE MEANS, COMPRISING A BASE MEMBER AND A COVER MEMBER LOOSELY RESTING ON SAID BASE MEMBER, DEFINING A CLOSED, UNVENTED CHAMBER HAVING A LOW HEIGHT IN RELATION TO ITS WIDTH AND HAVING MINIMAL PRESSURE-RETENTION CAPABILITY, ADAPTED TO BE HEATED FROM ALL SIDES SIMULTANEOUSLY IN AN OVEN; A MOISTURE BARRIER, REMOVABLY MOUNTED IN SAID ENCLOSURE MEANS AND CLOSING OFF THE LOWER PORTION OF SAID CHAMBER FROM THE UPPER PORTION, SAID LOWER PORTION CONSTITUTING A MOISTURE CHAMBER FOR HOLDING A LIMITED SUPPLY OF WATER AND SAID UPPER CHAMBER CONSTITUTING A COOKING CHAMBER; THE BOTTOM OF SAID BARRIER BEING SUBSTANTIALLY COMPLETELY IMPERFORATE TO PREVENT DIRECT UPWARD FLOW OF STEAM FROM SAID MOISTURE CHAMBER INTO SAID COOKING CHAMBER, A LIMITED PERIPHERAL PORTION ONLY OF SAID BARRIER PAN AFFORDING A LIMITED OPENING BETWEEN SAID CHAMBERS TO PERMIT CIRCULATION OF A LIMITED SUPPLY OF STEAM TO SAID COOKING CHAMBER; AND SUPPORT MEANS, REMOVABLY MOUNTED WITHIN SAID BASE MEMBER AND EXTENDING ABOVE SAID BARRIER INTO SAID COOKING CHAMBER, FOR SUPPORTING FOOD ITEMS IN ELEVATED COOKING POSITION WITHIN SAID COOKING CHAMBER IN POSITION TO BE COOKED BY CONVECTION CURRENTS OF DRY AIR AND MOIST AIR WITHIN SAID COOKING CHAMBER, SAID SUPPORT MEANS CONSTITUTING A BAR RACK OPEN ON ALL SIDES TO PERMIT THE FLOW OF CONVECTION CURRENTS OF DRY HEATED AIR AND OF SAID LIMITED SUPPLY OF STEAM ALL AROUND THE FOOD.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |