Patent US3381691A successfully refreshed from Google Patents.
US3381691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco product
Assignee: RJ Reynolds Tobacco Co
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Filing: 1965-11-08
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Granted: 1968-05-07
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Expires: 1985-11-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Schumacher
- 👤 Donald L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:38
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A TOBACCO PRODUCT HAVING ADDED THERETO AN AMOUNT SUFFICIENT TO ALTER THE FLAVOR OR AROMA OF THE TOBACCO PRODUCT OF A COMPOUND SLECTED FROM THE GROUP 2,4-DIPHENYLCROTONALDEHYDE, DIPHENYLETHER, 2-ACETONYL-4-METHYLTE RAHYDROPYRAN, 2-METHYL-5-ISOPROPYLPYRIDINE, 6-METHYL-2,5HEPTANEDIONE, 6-METHYL-3-HEPTENE-2,5-DIONE, AND 6-METHYL-5-HEPTEN-2-OL.
Claim 2
Dependent Claim
35 words
A TOBACCO PRODUCT HAVING ADDED THERETO AN AMOUNT SUFFICIENT TO ALTER THE FLAVOR OR AROMA OF THE TOBACCO PRODUCT OF A COMPOUND SLECTED FROM THE GROUP 2,4-DIPHENYLCROTONALDEHYDE, DIPHENYLETHER, 2-ACETONYL-4-METHYLTE RAHYDROPYRAN, 2-METHYL-5-ISOPROPYLPYRIDINE, 6-METHYL-2,5HEPTANEDIONE, 6-METHYL-3-HEPTENE-2,5-DIONE, AND 6-METHYL-5-HEPTEN-2-OL.
References Cited (Backward Citations)
US2766149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |