Patent US2613672A successfully refreshed from Google Patents.
US2613672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco sheet material and method of producing the same
Assignee: International Cigar Machinery Co
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Filing: 1946-07-11
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Granted: 1952-10-14
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Expires: 1966-07-11
Abstract
No abstract record available.
Inventors
- 👤 Paul A Sartoretto
- 👤 Jr Joseph H Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
146 words
THE METHOD OF RECONSTITUTING TOBACCO TO FORM SELF-SUPPORTING CONTINUOUS TOBACCO FILMS OR SHEETS FOR USE IN FABRICATING TOBACCO PRODUCTS FOR ORAL USE, COMPRISING REDUCING A QUANTITY OF TOBACCO TO A FINELY DIVIDED STATE, MIXING SAID TOBACCO WITH AN AQUEOUS FLUID, ADDING A RELATIVELY SMALL QUANTITY OF A WATER DISPERSIBLE CELLULOSE TO SAID MIXTURE, REDUCING SAID TOBACCO IN SAID MIXTURE TO A DISPERSION CONTAINING COLLOIDAL TOBACCO AND FINE TOBACCO PARTICLES AND SOLUBLE TOBACCO CONSTITUENTS, ADDING BETWEEN FIVE AND TEN PERCENT BY WEIGHT OF SAID TOBACCO IN SAID DISPERSION OF XANTHATED CELLULOSE TO SAID DISPERSION, APPLYING SAID DISPERSION TO A FILM FORMING SURFACE, AND EVAPORATING MOISTURE FROM SAID MATERIAL ON SAID SURFACE TO PRODUCE SUBSTANTIALLY WATER IMPERMEABLE FILMS OR SHEETS INCLUDING SUBSTANTIALLY ALL OF SAID SOLUBLE TOBACCO CONSTITUENTS WITH SAID TOBACCO SUSPENDED THEREIN, SAID FILMS OR SHEETS RETAINING SUBSTANTIALLY ALL NATURAL TOBACCO CHARACTERSTICS INCLUDING COLOR, TASTE AND AROMA.
Claim 2
Independent Claim
146 words
THE METHOD OF RECONSTITUTING TOBACCO TO FORM SELF-SUPPORTING CONTINUOUS TOBACCO FILMS OR SHEETS FOR USE IN FABRICATING TOBACCO PRODUCTS FOR ORAL USE, COMPRISING REDUCING A QUANTITY OF TOBACCO TO A FINELY DIVIDED STATE, MIXING SAID TOBACCO WITH AN AQUEOUS FLUID, ADDING A RELATIVELY SMALL QUANTITY OF A WATER DISPERSIBLE CELLULOSE TO SAID MIXTURE, REDUCING SAID TOBACCO IN SAID MIXTURE TO A DISPERSION CONTAINING COLLOIDAL TOBACCO AND FINE TOBACCO PARTICLES AND SOLUBLE TOBACCO CONSTITUENTS, ADDING BETWEEN FIVE AND TEN PERCENT BY WEIGHT OF SAID TOBACCO IN SAID DISPERSION OF XANTHATED CELLULOSE TO SAID DISPERSION, APPLYING SAID DISPERSION TO A FILM FORMING SURFACE, AND EVAPORATING MOISTURE FROM SAID MATERIAL ON SAID SURFACE TO PRODUCE SUBSTANTIALLY WATER IMPERMEABLE FILMS OR SHEETS INCLUDING SUBSTANTIALLY ALL OF SAID SOLUBLE TOBACCO CONSTITUENTS WITH SAID TOBACCO SUSPENDED THEREIN, SAID FILMS OR SHEETS RETAINING SUBSTANTIALLY ALL NATURAL TOBACCO CHARACTERSTICS INCLUDING COLOR, TASTE AND AROMA.
Claim 3
Dependent Claim
52 words
A RECONSTITUEED SELF-SUPPORTING CONTINUOUS TOBACCO FILM CONTAINING FINELY DIVIDED TOBACCO AND SOLUBLE TOBACCO CONSTITUENTS, AND BETWEEN FIVE AND TEN PERCENT BY WEIGHT OF REGENERATED CELLULOSE ADMIXED WITH SAID SOLUBLE CONSTITUENTS OF SAID TOBACCO, SAID FILM BEING SUBSTANTIALLY WATER IMPERMEABLE AND RETAINING SUBSTANTIALLY ALL NATURAL CHARACTERISTICS OF TOBACCO INCLUDING COLOR, TASTE AND AROMA.
Claim 4
Dependent Claim
52 words
A RECONSTITUEED SELF-SUPPORTING CONTINUOUS TOBACCO FILM CONTAINING FINELY DIVIDED TOBACCO AND SOLUBLE TOBACCO CONSTITUENTS, AND BETWEEN FIVE AND TEN PERCENT BY WEIGHT OF REGENERATED CELLULOSE ADMIXED WITH SAID SOLUBLE CONSTITUENTS OF SAID TOBACCO, SAID FILM BEING SUBSTANTIALLY WATER IMPERMEABLE AND RETAINING SUBSTANTIALLY ALL NATURAL CHARACTERISTICS OF TOBACCO INCLUDING COLOR, TASTE AND AROMA.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |