US2708441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of curing tobacco
Assignee: Individual
•
Filing: 1951-11-19
•
Granted: 1955-05-17
•
Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Viglione Gaetano Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:44
CPC Classifications
A; A24; A24B; A24B1/00; A24B1/02; Y; Y10; Y10S; Y10S56/00; Y10S56/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE PROCESS OF CURING TOBACCO, WHICH COMPRISES COLORING THE TOBACCO BY EXPOSURE TO A GAS ESSENTIALLY CONSISTING OF OVER 50 PERCENT BY VOLUME OF OXYGEN, THE BALANCE HARMLESS IMPURITY, AT A RELATIVE HUMIDITY OF BETWEEN 85 AND 98 PERCENT, AT A TEMPERATURE BETWEEN 85* AND 100* F., UNDER A PRESSURE OF FROM 2 TO 5 ATMOSPHERES ABSOLUTE FOR A TIME OF 2 TO 40 MINUTES, SETTING THE COLOR BY TREATMENT IN AIR FOR FROM 5 TO 15 MINUTES AT A RELATIVE HUMIDITY BELOW 30 PERCENT AND A TEMPERATURE OF 170* TO 210* F. WHILE CIRCULATING THE AIR, AND KILLING OUT THE TOBACCO BY INCREASING THE TEMPERATURE AT LEAST 10* F. ABOVE THE TEMPERATURE OF SETTING TO A TEMPERATURE NOT IN EXCESS OF 220* F. AND CONTINUING THE TREATMENT WITH THE DRY AIR FOR A TIME OF IN EXCESS OF 5 MINUTES.
Claim 2
Dependent Claim
141 words
THE PROCESS OF CURING TOBACCO, WHICH COMPRISES COLORING THE TOBACCO BY EXPOSURE TO A GAS ESSENTIALLY CONSISTING OF OVER 50 PERCENT BY VOLUME OF OXYGEN, THE BALANCE HARMLESS IMPURITY, AT A RELATIVE HUMIDITY OF BETWEEN 85 AND 98 PERCENT, AT A TEMPERATURE BETWEEN 85* AND 100* F., UNDER A PRESSURE OF FROM 2 TO 5 ATMOSPHERES ABSOLUTE FOR A TIME OF 2 TO 40 MINUTES, SETTING THE COLOR BY TREATMENT IN AIR FOR FROM 5 TO 15 MINUTES AT A RELATIVE HUMIDITY BELOW 30 PERCENT AND A TEMPERATURE OF 170* TO 210* F. WHILE CIRCULATING THE AIR, AND KILLING OUT THE TOBACCO BY INCREASING THE TEMPERATURE AT LEAST 10* F. ABOVE THE TEMPERATURE OF SETTING TO A TEMPERATURE NOT IN EXCESS OF 220* F. AND CONTINUING THE TREATMENT WITH THE DRY AIR FOR A TIME OF IN EXCESS OF 5 MINUTES.
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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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |