US2707472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco product and method of forming
Assignee: AMF Inc
•
Filing: 1949-02-12
•
Granted: 1955-05-03
•
Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Delbert F Jurgensen
- 👤 Jr Martin H Gurley
- 👤 Cyril P Mangion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:11
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B3/00; A24B3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF FORMING SELF-SUPPORTING SHEETS OF TOBACCO WHICH COMPRISES COMMINUTING A QUANTITY OF TOBACCO, MODIFYING THE MOISTURE CONTENT OF SAID COMMINUTED TOBACCO SO THAT THE MOISTURE THEREIN IS FROM 9% TO 30% OF THE WEIGHT OF SAID TOBACCO, MIXING THE PARTS OF SAID COMMINUTED TOBACCO WHILE MAINTAINING SAME CONFINED AND UNDER THE APPLICATION OF A PRESSURE NOT EXCEEDING 250 POUNDS PER SQUARE INCH WHILE MAINTAINING A TEMPERATURE NOT EXCEEDING 212* F., SAID MIXING OPERTION TAKING PLACE FOR A PERIOD OF TIME BETWEEN ONE QUARTER HOUR AND ONE HOUR, ADDING AN AQUEOUS FLUID TO THE LATTER, AND MILLING SAID MIXTURE OF AQUEOUS FLUID AND SAID QUANTITY OF MIXED COMMINUTED TOBACCO TO PRODUCE A DISPERSION CONTAINING COLLOIDAL TOBACCO, AND SUBJECTING THE LATTER TO FORMING OPERATIONS RESULTING IN A SHEET.
Claim 2
Independent Claim
128 words
THE METHOD OF FORMING SELF-SUPPORTING SHEETS OF TOBACCO WHICH COMPRISES COMMINUTING A QUANTITY OF TOBACCO, MODIFYING THE MOISTURE CONTENT OF SAID COMMINUTED TOBACCO SO THAT THE MOISTURE THEREIN IS FROM 9% TO 30% OF THE WEIGHT OF SAID TOBACCO, MIXING THE PARTS OF SAID COMMINUTED TOBACCO WHILE MAINTAINING SAME CONFINED AND UNDER THE APPLICATION OF A PRESSURE NOT EXCEEDING 250 POUNDS PER SQUARE INCH WHILE MAINTAINING A TEMPERATURE NOT EXCEEDING 212* F., SAID MIXING OPERTION TAKING PLACE FOR A PERIOD OF TIME BETWEEN ONE QUARTER HOUR AND ONE HOUR, ADDING AN AQUEOUS FLUID TO THE LATTER, AND MILLING SAID MIXTURE OF AQUEOUS FLUID AND SAID QUANTITY OF MIXED COMMINUTED TOBACCO TO PRODUCE A DISPERSION CONTAINING COLLOIDAL TOBACCO, AND SUBJECTING THE LATTER TO FORMING OPERATIONS RESULTING IN A SHEET.
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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) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |