Patent US3020179A successfully refreshed from Google Patents.
US3020179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco treatment and product therefrom
Assignee: General Cigar Co Inc
•
Filing: 1959-12-29
•
Granted: 1962-02-06
•
Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Earl H Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:50
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/287; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE IMPROVED PROCESS FOR MANUFACTURING A COHERENT TOBACCO SMOKING PRODUCT FROM COMMINUTED TOBACCO, WHICH COMPRPRISES MIXING NOT MORE THAN 75% BY WEIGHT SAID TOBACCO WITH WATER TO FORM A SLURRY, HEATING SAID SLURRY IN A SEALED ZONE TO DEVELOPE A STEAM PRESSURE OF AT LEAST 90 P.S.I.A., MAINTAINING SAID SLURRY AT SAID STEAM PRESSURE FOR AT LEAST 5 MINUTES, BLENDING THE THUS TREATED SLURRY WITH THE REMAINDER OF SAID TOBACCO TO YIELD A SOFT PASTE THAT MAY BE SPREAD EVENLY, AND FORMING AND DRYING SAID PASTE INTO SAID COHERENT TOBACCO SMOKING PRODUCTS.
Claim 2
Dependent Claim
92 words
THE IMPROVED PROCESS FOR MANUFACTURING A COHERENT TOBACCO SMOKING PRODUCT FROM COMMINUTED TOBACCO, WHICH COMPRPRISES MIXING NOT MORE THAN 75% BY WEIGHT SAID TOBACCO WITH WATER TO FORM A SLURRY, HEATING SAID SLURRY IN A SEALED ZONE TO DEVELOPE A STEAM PRESSURE OF AT LEAST 90 P.S.I.A., MAINTAINING SAID SLURRY AT SAID STEAM PRESSURE FOR AT LEAST 5 MINUTES, BLENDING THE THUS TREATED SLURRY WITH THE REMAINDER OF SAID TOBACCO TO YIELD A SOFT PASTE THAT MAY BE SPREAD EVENLY, AND FORMING AND DRYING SAID PASTE INTO SAID COHERENT TOBACCO SMOKING PRODUCTS.
References Cited (Backward Citations)
US86369A
Cited
US267764A
Cited
US430516A
Cited
US497572A
Cited
GB190225830A
Cited
US1068403A
Cited
US1437095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |