Patent US2445338A successfully refreshed from Google Patents.
US2445338A
Expired / Lapsed
US
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Tobacco and method of treating the same
Assignee: AMF Inc
•
Filing: 1942-06-11
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Granted: 1948-07-20
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Expires: 1962-06-11
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:59
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/18; A24B3/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217787A
Cited
US46233A
Cited
US48689A
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US64591A
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US189182A
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US203766A
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DE215370C
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US267764A
Cited
US858289A
Cited
US1016844A
Cited
US1716250A
Cited
GB298151A
Cited
US1972718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |