Patent US3334637A successfully refreshed from Google Patents.
US3334637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking product having flavorant additive
Assignee: RJ Reynolds Tobacco Co
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Filing: 1964-12-08
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Granted: 1967-08-08
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Donald L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:19
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/333; A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/36; A24B15/38; A24B15/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A DOMESTIC TOBACCO HAVING ADDED THERETO A SMALL AMOUNT OF 1-METHYL-2-PYRROLECARBOXALDEHYDE SUFFICIENT TO ALTER THE FLAVOR OF THE TOBACCO.
Claim 2
Dependent Claim
19 words
A DOMESTIC TOBACCO HAVING ADDED THERETO A SMALL AMOUNT OF 1-METHYL-2-PYRROLECARBOXALDEHYDE SUFFICIENT TO ALTER THE FLAVOR OF THE TOBACCO.
References Cited (Backward Citations)
US3280824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |