US3204641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of processing tobacco leaf stem material
Assignee: RJ Reynolds Tobacco Co
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Filing: 1963-02-07
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Granted: 1965-09-07
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jones Samuel O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
A; A24; A24B; A24B5/00; A24B5/16; A24B15/00; A24B15/18; A24B15/24; A24B3/00; A24B3/18; A24B3/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF PRODUCING FROM TOBACCO LEAF STEMS A PRODUCTED ADAPTED FOR USE IN CIGARETTES WHICH COMPRISES ADJUSTING MOISTURE CONTENT OF TOBACCO LEAF STEMS TO BETWEEN ABOUT 40 AND ABOUT 65% BY WEIGHT (WET BASIS), THEN SHREDDING THE MOISTENED STEMS TO A PARTICLE SIZE SUITABLE FOR USE IN CIGARETTES AND DRYING THE SHREDDED
Claim 2
Independent Claim
53 words
A METHOD OF PRODUCING FROM TOBACCO LEAF STEMS A PRODUCTED ADAPTED FOR USE IN CIGARETTES WHICH COMPRISES ADJUSTING MOISTURE CONTENT OF TOBACCO LEAF STEMS TO BETWEEN ABOUT 40 AND ABOUT 65% BY WEIGHT (WET BASIS), THEN SHREDDING THE MOISTENED STEMS TO A PARTICLE SIZE SUITABLE FOR USE IN CIGARETTES AND DRYING THE SHREDDED
References Cited (Backward Citations)
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US155388A
Cited
US267764A
Cited
US772892A
Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |