Patent US3211157A successfully refreshed from Google Patents.
US3211157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1963-05-29
•
Granted: 1965-10-12
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/34; C; C07; C07C; C07C403/00; C07C403/02; C07C403/06; C07C403/08; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A TOBACCO PRODUCT HAVING ADDED THERETO A SMALL AMOUNT OF 4-(2-BUTENYLIDENE)-3,2,5-TRIMETHYL-2-CYCLOHEXEN-1-ONE SUFFICIENT TO IMPART A PEPPERY SPICY ODOR TO A SMOKER.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |