Patent US2444814A successfully refreshed from Google Patents.
US2444814A
Expired / Lapsed
US
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Oil burner for tobacco drying and curing means
Assignee: Individual
•
Filing: 1945-11-19
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Granted: 1948-07-06
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Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 William B Dowless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:45
CPC Classifications
A; A24; A24B; A24B1/00; A24B1/02; F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387927A
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US1606974A
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US797249A
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US965407A
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US990150A
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US1381835A
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US1395824A
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US1459969A
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US1623415A
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US1927434A
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US2223301A
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US2246809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |