US2927588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing tobacco foils
Assignee: Eduard Gerlach GmbH
•
Filing: 1957-12-10
•
Granted: 1960-03-08
•
Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Detert Ernst-Rolf
- 👤 Buchholz Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:08
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD OF PRODUCING TOBACCO FOILS COMPRISING THE STEPS OF MIXING A MIXTURE COMPRISING FINELY PULVERIZED TOBACCO AND A ANHYDROUS VISCOUS SOLUTION OF METHYLCELLOUSE WITH PHOSPHORIC ACID, THEN SHAPING THE RESULTING MIXTURE INTO FOILS, AND DRYING THE SAID FOILS.
Claim 2
Independent Claim
39 words
A METHOD OF PRODUCING TOBACCO FOILS COMPRISING THE STEPS OF MIXING A MIXTURE COMPRISING FINELY PULVERIZED TOBACCO AND A ANHYDROUS VISCOUS SOLUTION OF METHYLCELLOUSE WITH PHOSPHORIC ACID, THEN SHAPING THE RESULTING MIXTURE INTO FOILS, AND DRYING THE SAID FOILS.
References Cited (Backward Citations)
GB282369A
Cited
US1716250A
Cited
US2002811A
Cited
US2613673A
Cited
GB692271A
Cited
US2580610A
Cited
US2798009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |