US2707959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco composition and method of minimizing the irritating properties of tobacco
Assignee: GAF Chemicals Corp
•
Filing: 1952-06-20
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Granted: 1955-05-10
•
Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Herman A Shelanski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:12
CPC Classifications
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
8 words
TOBACCO CONTAINING A MINOR AMOUNT OF POLYVINYL PYRROLIDONE.
Claim 2
Dependent Claim
8 words
TOBACCO CONTAINING A MINOR AMOUNT OF POLYVINYL PYRROLIDONE.
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |