US3386448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for conditioning tobacco
Assignee: Körber AG
•
Filing: 1966-09-02
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Granted: 1968-06-04
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Wochnowski Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:27
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD OF EXPELLING MOISTURE FROM TOBACCO, COMPRISING THE STEP OF CONVEYING MOIST TOBACCO THROUGH A CONDITIONING ZONE; CIRCULATING AT LEAST ONE CURRENT OF FRESH STREAM IN A CONFINING PATH EXTENDING INTO SAID ZONE WHEREBY SUCH STEAM EXPELS MOISTURE FROM TOBACCO AND ITS PRESSURE RESPECTIVELY RISES AND DROPS IN RESPONSE TO INDIRECT EXCHANGE OF HEAT WITH TOBACCO OF LOWER AND HIGHER MOISTURE CONTENT; CONVEYING THROUGH SAID ZONE A CURRENT OF HOT GAS IN DIRECT HEAT EXCHANGING RELATIONSHIP WITH TOBACCO TO EXPEL THEREFROM ADDITIONAL MOISTURE; MEASURING THE PRESSURE OF STEAM IN SAID CONFINING PATH; AND RESPECTIVELY RAISING AND REDUCING THE TEMPERATURE OF HOT GAS IN RESPONSE TO DECREASING AND INCREASING STEAM PRESSURE.
Claim 2
Independent Claim
111 words
A METHOD OF EXPELLING MOISTURE FROM TOBACCO, COMPRISING THE STEP OF CONVEYING MOIST TOBACCO THROUGH A CONDITIONING ZONE; CIRCULATING AT LEAST ONE CURRENT OF FRESH STREAM IN A CONFINING PATH EXTENDING INTO SAID ZONE WHEREBY SUCH STEAM EXPELS MOISTURE FROM TOBACCO AND ITS PRESSURE RESPECTIVELY RISES AND DROPS IN RESPONSE TO INDIRECT EXCHANGE OF HEAT WITH TOBACCO OF LOWER AND HIGHER MOISTURE CONTENT; CONVEYING THROUGH SAID ZONE A CURRENT OF HOT GAS IN DIRECT HEAT EXCHANGING RELATIONSHIP WITH TOBACCO TO EXPEL THEREFROM ADDITIONAL MOISTURE; MEASURING THE PRESSURE OF STEAM IN SAID CONFINING PATH; AND RESPECTIVELY RAISING AND REDUCING THE TEMPERATURE OF HOT GAS IN RESPONSE TO DECREASING AND INCREASING STEAM PRESSURE.
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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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |