Patent US3203432A successfully refreshed from Google Patents.
US3203432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of tobacco smoking materials
Assignee: Brown and Williamson Holdings Inc
•
Filing: 1963-04-30
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Granted: 1965-08-31
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Green Sydney James
- 👤 Nicholl Peter James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:58
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B3/00; A24B3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR PRODUCTION OF TOBACCO SMOKING MATERIALS COMPRISING: GRINDING TOBACCO TO FORM A FLOUR-LIKE MATERIAL, MIXING THEREWITH A MINOR PROPORTION OR WATER OF BETWEEN APPROXIMATELY 15% AND 30% OF THE WET WEIGHT OF THE TOBACCO SO THAT THE RESULTING MIXTURE IS A FLOWABLE MATERIAL AND THEREAFTER EXTRUDING SAID MIXTURE THROUGH A SMALL ORIFICE INTO FILAMENTARY FORM WHILE SIMULTANEOUSLY SUBJECTING IT TO SUFFICIENT MECHANICAL WORKING AND SUFFICIENT PRESSURE SO AS TO RENDER CERTAIN MATERIALS NORMALLY PRESENT IN THE NATURAL TOBACCO LEAF GUMMY AND ABLE TO SERVE AS AN ADHESIVE WHEREBY THE FILAMENTS ARE COHERENT AND SELF-SUPPORTING.
Claim 2
Dependent Claim
96 words
A PROCESS FOR PRODUCTION OF TOBACCO SMOKING MATERIALS COMPRISING: GRINDING TOBACCO TO FORM A FLOUR-LIKE MATERIAL, MIXING THEREWITH A MINOR PROPORTION OR WATER OF BETWEEN APPROXIMATELY 15% AND 30% OF THE WET WEIGHT OF THE TOBACCO SO THAT THE RESULTING MIXTURE IS A FLOWABLE MATERIAL AND THEREAFTER EXTRUDING SAID MIXTURE THROUGH A SMALL ORIFICE INTO FILAMENTARY FORM WHILE SIMULTANEOUSLY SUBJECTING IT TO SUFFICIENT MECHANICAL WORKING AND SUFFICIENT PRESSURE SO AS TO RENDER CERTAIN MATERIALS NORMALLY PRESENT IN THE NATURAL TOBACCO LEAF GUMMY AND ABLE TO SERVE AS AN ADHESIVE WHEREBY THE FILAMENTS ARE COHERENT AND SELF-SUPPORTING.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |