US3083450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable cooking appliance
Assignee: Individual
•
Filing: 1959-12-10
•
Granted: 1963-04-02
•
Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Louis A Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/50; A47G; A47G19/00; A47G19/12; A47G19/14; A47J37/00; A47J37/06; A47J37/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A PORTABLE COMBINED LIQUID HEATING AND SOLID FOOD COOKING APPLIANCE, COMPRISING A GENERALLY VERTICAL CASING HAVING A LIQUID-HEATING COMPARTMENT IN THE UPPER PORTION THEREOF, A SOLID FOOD COOKING COMPARTMENT IN THE LOWER PORTION THEREOF DISPOSED IN VERTICALLY-SPACED RELATIONSHIP WITH SAID LIQUID HEATING COMPARTMENT, A SINGLE ELECTRICAL HEATING UNIT DISPOSED IN SAID CASING IN THE SPACE BETWEEN SAID LIQUID HEATING AND SOLID FOOD COOKING COMPARTMENTS, AN UPPER SET OF MULTIPLE SHUTTERS PIVOTALLY MOUNTED IN SAID CASING ABOVE SAID HEATING UNIT BETWEEN SAID HEATING UNIT AND SAID LIQUID HEATING COMPARTMENT AND SELECTIVELY MOVABLE BETWEEN CLOSED AND OPEN POSITIONS, A LOWER SET OF MULTIPLE SHUTTERS PIVOTALLY MOUNTED IN SAID CASING BELOW SAID HEATING UNIT BETWEEN SAID HEATING UNIT AND SAID SOLID FOOD COOKING COMPARTMENT AND SELECTIVELY MOVABLE BETWEEN CLOSED AND OPEN POSITIONS, MEANS FOR SELECTIVELY MOVING SAID UPPER SET OF SHUTTERS BETWEEN THE CLOSED AND OPEN POSITIONS OF SAID UPPER SHUTTERS, AND MEANS FOR SELECTIVELY MOVING SAID LOWER SET OF SHUTTERS BETWEEN THE CLOSED AND OPEN POSITIONS OF SAID LOWER SHUTTERS.
Claim 2
Dependent Claim
168 words
A PORTABLE COMBINED LIQUID HEATING AND SOLID FOOD COOKING APPLIANCE, COMPRISING A GENERALLY VERTICAL CASING HAVING A LIQUID-HEATING COMPARTMENT IN THE UPPER PORTION THEREOF, A SOLID FOOD COOKING COMPARTMENT IN THE LOWER PORTION THEREOF DISPOSED IN VERTICALLY-SPACED RELATIONSHIP WITH SAID LIQUID HEATING COMPARTMENT, A SINGLE ELECTRICAL HEATING UNIT DISPOSED IN SAID CASING IN THE SPACE BETWEEN SAID LIQUID HEATING AND SOLID FOOD COOKING COMPARTMENTS, AN UPPER SET OF MULTIPLE SHUTTERS PIVOTALLY MOUNTED IN SAID CASING ABOVE SAID HEATING UNIT BETWEEN SAID HEATING UNIT AND SAID LIQUID HEATING COMPARTMENT AND SELECTIVELY MOVABLE BETWEEN CLOSED AND OPEN POSITIONS, A LOWER SET OF MULTIPLE SHUTTERS PIVOTALLY MOUNTED IN SAID CASING BELOW SAID HEATING UNIT BETWEEN SAID HEATING UNIT AND SAID SOLID FOOD COOKING COMPARTMENT AND SELECTIVELY MOVABLE BETWEEN CLOSED AND OPEN POSITIONS, MEANS FOR SELECTIVELY MOVING SAID UPPER SET OF SHUTTERS BETWEEN THE CLOSED AND OPEN POSITIONS OF SAID UPPER SHUTTERS, AND MEANS FOR SELECTIVELY MOVING SAID LOWER SET OF SHUTTERS BETWEEN THE CLOSED AND OPEN POSITIONS OF SAID LOWER SHUTTERS.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |