Patent US2472293A successfully refreshed from Google Patents.
US2472293A
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Ventilated and shielded infrared oven
Assignee: Ford Motor Co
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Filing: 1945-09-20
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Granted: 1949-06-07
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Expires: 1965-09-20
Abstract
No abstract record available.
Inventors
- 👤 Fredrick J Groven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:59
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/28; F26B3/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1284218A
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US1559076A
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US1720678A
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US1947338A
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US2317426A
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US2368124A
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US2406494A
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US2376207A
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US2439005A
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US2391764A
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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) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |