US3125098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
osborne
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:29
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
THE METHOD OF FORMING SELF-SUPPORTING RECONSTITUTED TOBACCO SHEET WHICH COMPRISES REDUCING TOBACCO TO A FINELY DIVIDED STATE, MIXING WITH SAID TOBACCO FROM ABOUT 2% TO ABOUT 30%, BASED ON THE WEIGHT OF TOBACCO, OF A HIGHLY REFINED SOFTWOOD SULFITE PULP HAVING AN INVERTED FREENESS AS MEASURED BY THE CANADIAN STANDARD FREENESS TEST, AND AN AQUEOUS FLUID CONTAINING A FILM FORMING AGENT TO FORM A HOMOGENOUS DISPERSION HAVING A SOLIDS CONTENT OF AT LEAST 5% FROMING A FILM OF SAID DISPERSION ON A SUBSTANTIAL IMPERVIOUS FILM FORMING SURFACE AND EVAPORATING MOISTURE FROM THE FILM.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2592553A
Cited
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Cited
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Cited
US2769734A
Cited
US2949117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |