Patent US3338248A successfully refreshed from Google Patents.
US3338248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating tobacco
Assignee: Individual
•
Filing: 1964-08-27
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Granted: 1967-08-29
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Pavia Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:22
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF TREATING TOBACCO TO REMOVE NICOTINE THEREFROM AND TO FLAVOR SAME WHICH COMPRISES SOAKING THE TOBACCO IN WATER AT ROOM TEMPERATURE FOR ABOUT THREE DAYS TIME, SEPARATING THE WATER-SOAKED TOBACCO FROM THE RESULTING SOLUTION, IMMERSING THE RESULTING TOBACCO IN WATER HAVING DISSOLVED THEREIN SODIUM BICARBONATE IN AN AMOUNT EQUAL TO ABOUT TWO TO FIVE PERCENT BY WEIGHT OF THE WEIGHT OF TOBACCO BEING TREATED TO A TEMPERATURE IN THE RANGE OF ABOUT 180*F. TO 212*F., IMMEDIATELY REMOVING THE HEATED TOBACCO THEREFROM AND THEREAFTER DRYING SAME AND FINALLY SUBJECTING THE TOBACCO TO A SMOKE SELECTED FROM THE GROUP CONSISTING OF BAGASSE AND SUGAR CANE SMOKE.
Claim 2
Independent Claim
106 words
THE METHOD OF TREATING TOBACCO TO REMOVE NICOTINE THEREFROM AND TO FLAVOR SAME WHICH COMPRISES SOAKING THE TOBACCO IN WATER AT ROOM TEMPERATURE FOR ABOUT THREE DAYS TIME, SEPARATING THE WATER-SOAKED TOBACCO FROM THE RESULTING SOLUTION, IMMERSING THE RESULTING TOBACCO IN WATER HAVING DISSOLVED THEREIN SODIUM BICARBONATE IN AN AMOUNT EQUAL TO ABOUT TWO TO FIVE PERCENT BY WEIGHT OF THE WEIGHT OF TOBACCO BEING TREATED TO A TEMPERATURE IN THE RANGE OF ABOUT 180*F. TO 212*F., IMMEDIATELY REMOVING THE HEATED TOBACCO THEREFROM AND THEREAFTER DRYING SAME AND FINALLY SUBJECTING THE TOBACCO TO A SMOKE SELECTED FROM THE GROUP CONSISTING OF BAGASSE AND SUGAR CANE SMOKE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |