US3043723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and product utilizing tobacco stems
Assignee: General Cigar Co Inc
•
Filing: 1959-09-17
•
Granted: 1962-07-10
•
Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Cleverdon Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:03
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE IMPROVED PROCESS OF CONVERTING TOBACCO INTO A COHERENT FORM ADAPTED FOR SMOKING, WHICH COMPRISES EXTRACTING A QUANTITY OF TOBACCO STEMS WITH WATER TO ELIMINATE EXTRACTIBLE COMPONENTS TOAN EXTENT OF AT LEAST ABOUT 20% BY DRY WEIGHT OF SAID STEMS, WET-GRINDING THE RESIDUAL STEM MATERIAL, SUBJECTING THE RESULTING AQUEOUS SUSPENSION OF SAID STEM MATERIAL TO PRESSURIZATION AND INTENSIVE SHEARING HOMOGENIZATION TO YIELD A HIGHLY HYDRATED PULP HAVING A WATER RETENTION VALUE OF AT LEAST ABOUT 20, COMBINING A QUANTITY OF DRY-GROUND TOBACCO WITH SAID PULP, SAID QUANTITY OF DRY-GROUND TOBACCO BEING GREATER ON A DRY WEIGHT BASIS THAN THE DRY SOLIDS IN SAID PULP, AND DRYING THE COMBINED PULP AND DRYGROUND TOBACCO INTO SAID COHERENT FORM.
Claim 2
Dependent Claim
116 words
THE IMPROVED PROCESS OF CONVERTING TOBACCO INTO A COHERENT FORM ADAPTED FOR SMOKING, WHICH COMPRISES EXTRACTING A QUANTITY OF TOBACCO STEMS WITH WATER TO ELIMINATE EXTRACTIBLE COMPONENTS TOAN EXTENT OF AT LEAST ABOUT 20% BY DRY WEIGHT OF SAID STEMS, WET-GRINDING THE RESIDUAL STEM MATERIAL, SUBJECTING THE RESULTING AQUEOUS SUSPENSION OF SAID STEM MATERIAL TO PRESSURIZATION AND INTENSIVE SHEARING HOMOGENIZATION TO YIELD A HIGHLY HYDRATED PULP HAVING A WATER RETENTION VALUE OF AT LEAST ABOUT 20, COMBINING A QUANTITY OF DRY-GROUND TOBACCO WITH SAID PULP, SAID QUANTITY OF DRY-GROUND TOBACCO BEING GREATER ON A DRY WEIGHT BASIS THAN THE DRY SOLIDS IN SAID PULP, AND DRYING THE COMBINED PULP AND DRYGROUND TOBACCO INTO SAID COHERENT FORM.
References Cited (Backward Citations)
US267764A
Cited
US2153537A
Cited
US1068403A
Cited
US1631834A
Cited
US1624567A
Cited
US2217934A
Cited
US2656841A
Cited
US2890973A
Cited
US2708175A
Cited
US2845933A
Cited
US2963086A
Cited
US2897103A
Cited
US2967118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |