US2592553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco products and processes therefor
Assignee: General Cigar Co Inc
•
Filing: 1950-01-30
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Granted: 1952-04-15
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Expires: 1970-01-30
Abstract
No abstract record available.
Inventors
- 👤 Walter G Frankenburg
- 👤 Paul W Garbo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:59
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
A TOBACCO PRODUCT ADAPTED FOR SMOKING, WHICH COMPRISES A PREDOMINANT PROPORTION OF DRY-GROUND TOBACCO AND A MINOR PROPORTION, NOT EXCEEDING 20% BY WEIGHT OF SAID TOBACCO, OF A WATER-SOLUBLE CELLULOSE DERIVATIVE HAVING THE PROPERTY OF FORMING AN AQUEOUS SOLUTION WITH A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25% C. WHEN NOT MORE THAN ABOUT 2% BY WEIGHT OF SAID CELLULOSE DERIVATIVE IS DISSOLVED IN WATER, SAID CELLULOSE DERIVATIVE FUNCTIONING TO HOLD THE PARTICLES OF SAID TOBACCO TOGETHER AS A COHERENT MASS.
Claim 2
Dependent Claim
85 words
A TOBACCO PRODUCT ADAPTED FOR SMOKING, WHICH COMPRISES A PREDOMINANT PROPORTION OF DRY-GROUND TOBACCO AND A MINOR PROPORTION, NOT EXCEEDING 20% BY WEIGHT OF SAID TOBACCO, OF A WATER-SOLUBLE CELLULOSE DERIVATIVE HAVING THE PROPERTY OF FORMING AN AQUEOUS SOLUTION WITH A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25% C. WHEN NOT MORE THAN ABOUT 2% BY WEIGHT OF SAID CELLULOSE DERIVATIVE IS DISSOLVED IN WATER, SAID CELLULOSE DERIVATIVE FUNCTIONING TO HOLD THE PARTICLES OF SAID TOBACCO TOGETHER AS A COHERENT MASS.
Claim 3
Dependent Claim
111 words
THE IMPROVED PROCESS OF CONVERTING TOBACCO INTO A PHYSICALLY CONTINUOUS AND COHERENT FORM ADAPTED FOR SMOKING, WHICH COMPRISES DRYGRINDING TOBACCO, MIXING THE DRY-GROUND TOBACCO AND A VISCOUS AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE IN PROPORTIONS TO FORM, A COHESIVE PASTE SUBSTANTIALLY FREE OF EXUDATION, SAID VISCOUS AQUEOUS SOLUTION HAVING A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25* C. AND SAID CELLULOSE DERIVATIVE YIELDING A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25* C. WHEN NOT MORE THAN ABOUT 2% BY WEIGHT THEREOF IS DISSOLVED IN WATER, AND SHAPING AND DRYING SAID PASTE INTO A DESIRED, PHYSICALLY CONTINUOUS AND COHERENT FORM ADAPTED FOR SMOKING.
Claim 4
Dependent Claim
111 words
THE IMPROVED PROCESS OF CONVERTING TOBACCO INTO A PHYSICALLY CONTINUOUS AND COHERENT FORM ADAPTED FOR SMOKING, WHICH COMPRISES DRYGRINDING TOBACCO, MIXING THE DRY-GROUND TOBACCO AND A VISCOUS AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE IN PROPORTIONS TO FORM, A COHESIVE PASTE SUBSTANTIALLY FREE OF EXUDATION, SAID VISCOUS AQUEOUS SOLUTION HAVING A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25* C. AND SAID CELLULOSE DERIVATIVE YIELDING A VISCOSITY OF AT LEAST 1500 CENTIPOISES AT A TEMPERATURE OF 25* C. WHEN NOT MORE THAN ABOUT 2% BY WEIGHT THEREOF IS DISSOLVED IN WATER, AND SHAPING AND DRYING SAID PASTE INTO A DESIRED, PHYSICALLY CONTINUOUS AND COHERENT FORM ADAPTED FOR SMOKING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |