Patent US3394709A successfully refreshed from Google Patents.
US3394709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of tobacco
Assignee: Inca Inks Inc
•
Filing: 1964-04-13
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Granted: 1968-07-30
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert K Remer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:34
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE METHOD OF TREATING TOBACCO TO POLYMERIZE AT LEAST A PORTION OF THE TAR-FORMING SUBSTANCES THEREIN WHICH COMPRISES SUBJECTING A QUANTITY OF TOBACCO TO POLYMERIZING RADIATION WHILE THE TOBACCO IS IMMERSED IN A BOILING
Claim 2
Independent Claim
34 words
THE METHOD OF TREATING TOBACCO TO POLYMERIZE AT LEAST A PORTION OF THE TAR-FORMING SUBSTANCES THEREIN WHICH COMPRISES SUBJECTING A QUANTITY OF TOBACCO TO POLYMERIZING RADIATION WHILE THE TOBACCO IS IMMERSED IN A BOILING
References Cited (Backward Citations)
US1123522A
Cited
US1719291A
Cited
US1920588A
Cited
US2048624A
Cited
US2108305A
Cited
US2227863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |