US3081392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency oven
Assignee: White Consolidated Industries Inc
•
Filing: 1955-02-24
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Granted: 1963-03-12
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Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:08
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/642; A; A21; A21B; A21B2/00; H05B6/647; H05B6/6482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
HIGH FREQUENCY OVEN CONSTRUCTION COMPRISING A SUBSTANTIALLY COMPLETELY CLOSED CAVITY FORMED BY WALLS OF ELECTRICALLY CONDUCTIVE MATERIAL, A METAL-SHEATHED RESISTANCE HEATING UNIT MOUNTED IN SPACED RELATION BENEATH THE TOP WALL OF SAID CAVITY, A PLATE SERVING TO REFLECT HEAT PRODUCED BY SAID UNIT REMOVABLY SUPPORTED BETWEEN AND SPACED FROM SUCH TOP WALL AND THE UNIT, A SOURCE OF HIGH FREQUENCY ELECTROMAGNETIC ENERGY, AND MEANS FOR RADIATING SUCH ENERGY INTO THE CAVITY, THE RESISTANCE HEATING UNIT BEING WITHIN THE FIELD PATTERN RESULTING IN THE CAVITY.
Claim 2
Dependent Claim
84 words
HIGH FREQUENCY OVEN CONSTRUCTION COMPRISING A SUBSTANTIALLY COMPLETELY CLOSED CAVITY FORMED BY WALLS OF ELECTRICALLY CONDUCTIVE MATERIAL, A METAL-SHEATHED RESISTANCE HEATING UNIT MOUNTED IN SPACED RELATION BENEATH THE TOP WALL OF SAID CAVITY, A PLATE SERVING TO REFLECT HEAT PRODUCED BY SAID UNIT REMOVABLY SUPPORTED BETWEEN AND SPACED FROM SUCH TOP WALL AND THE UNIT, A SOURCE OF HIGH FREQUENCY ELECTROMAGNETIC ENERGY, AND MEANS FOR RADIATING SUCH ENERGY INTO THE CAVITY, THE RESISTANCE HEATING UNIT BEING WITHIN THE FIELD PATTERN RESULTING IN THE CAVITY.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |