US2933090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for bulking tobacco
Assignee: Proctor and Schwartz Inc
•
Filing: 1956-03-15
•
Granted: 1960-04-19
•
Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Charles M Hamilton
- 👤 Ii Edwin W Hine
- 👤 George D Flaith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:16
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/04; A24C; A24C5/00; A24C5/14; A24C5/18; A24C5/1864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE534613C
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US2732844A
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GB189710802A
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US838361A
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US1017951A
Cited
DE544862C
Cited
GB440482A
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US2179644A
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US2067115A
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GB596553A
Cited
US2777446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |