Patent US2905576A successfully refreshed from Google Patents.
US2905576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1958-01-15
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Granted: 1959-09-22
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Expires: 1978-01-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:51
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/301
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A DOMESTIC TOBACCO HAVING ADDED THERETO A SMALL AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXY-2,5,5,8A-TETRAMETHYLDECAHYDRONAPHTHALENEACETIC ACID, THE LACTONE OF SAID ACID; AND DECAHYDRO3A,6,6,8A-TETRAMETHYLNAPHTHO(2,1-B)FURAN-2-ONE.
Claim 2
Dependent Claim
27 words
A DOMESTIC TOBACCO HAVING ADDED THERETO A SMALL AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXY-2,5,5,8A-TETRAMETHYLDECAHYDRONAPHTHALENEACETIC ACID, THE LACTONE OF SAID ACID; AND DECAHYDRO3A,6,6,8A-TETRAMETHYLNAPHTHO(2,1-B)FURAN-2-ONE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |