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US3373751A
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US
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Method in utilizing and refining tobacco dust and waste
Assignee: INDUSTRILABORATORIET AB
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Filing: 1964-10-13
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Granted: 1968-03-19
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Expires: 1984-10-13
Abstract
No abstract record available.
Inventors
- 👤 Wallberg Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B3/00; A24B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125098A
Cited
GB191120395A
Cited
US2613673A
Cited
US3097653A
Cited
US3020179A
Cited
US3203432A
Cited
US3194245A
Cited
US3215760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |