US3217716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco composition
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1963-11-14
•
Granted: 1965-11-16
•
Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Donald L Roberts
- 👤 Joseph N Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/36; A24B15/40; A24B15/403; A24B15/301
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A DOMESTIC TOBACCO HAVIN ADDED THERETO A SMALL AMOUNT OF HEXAHYDRO-2,5,5-8A-TETRAMETHYL-7-CHROMANONE SUFFICIENT TO ALTER THE FLAVOR OF THE TOBACCO.
Claim 2
Dependent Claim
19 words
A DOMESTIC TOBACCO HAVIN ADDED THERETO A SMALL AMOUNT OF HEXAHYDRO-2,5,5-8A-TETRAMETHYL-7-CHROMANONE SUFFICIENT TO ALTER THE FLAVOR OF THE TOBACCO.
References Cited (Backward Citations)
US3126012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |