Patent US3400529A successfully refreshed from Google Patents.
Patent US3399680A successfully refreshed from Google Patents.
US3399680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the treatment of vegetable matter, in particular tobacco
Assignee: Tamag Basel AG
•
Filing: 1966-07-28
•
Granted: 1968-09-03
•
Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Egri Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:15
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/12; A24B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
APPARATUS FOR THE TREATMENT OF VEGETABLE MATTER, IN PARTICULAR TOBACCO, BY MEANS OF A GASEOUS MEDIUM, COMPRISING A PLURALITY OF TOWER-LIKE CELLS SUPERIMPOSED ON TOP OF ONE ANOTHER TO PROVIDE AT LEAST ONE COLUMN, EACH CELL BEING LATERALLY BOUNDED BY WALL MEANS, A GAS PERMEABLE PARTITION MEMBER SITUATED WITHIN EACH CELL FOR SUBDIVIDING THE LATTER INTO A CHARGING COMPARTMENT FOR THE TOBACCO AND A FLOW COMPARTMENT FOR THE GASEOUS MEDIUM, SAID CHARGING COMPARTMENT OF EACH CELL BEING ARRANGED ABOVE SAID FLOW COMPARTMENT THEREOF, CONDUIT MEANS FOR CONVEYING THE GASEOUS MEDIUM PROVIDED FOR EACH FLOW COMPARTMENT, COVER MEANS FOR THE UPPERMOST CELL OF SAID COLUMN, FLOOR MEANS FOR THE LOWERMOST CELL OF SAID COLUMN, SAID COVER MEANS COOPERATING WITH SAID UPPERMOST CELL TO PROVIDE THEREBETWEEN AND ADDITIONAL FLOW COMPARTMENT, A CONDUIT FOR THE GASEOUS MEDIUM COMMUNICATING WITH SAID ADDITIONAL FLOW COMPARTMENT.
Claim 2
Dependent Claim
140 words
APPARATUS FOR THE TREATMENT OF VEGETABLE MATTER, IN PARTICULAR TOBACCO, BY MEANS OF A GASEOUS MEDIUM, COMPRISING A PLURALITY OF TOWER-LIKE CELLS SUPERIMPOSED ON TOP OF ONE ANOTHER TO PROVIDE AT LEAST ONE COLUMN, EACH CELL BEING LATERALLY BOUNDED BY WALL MEANS, A GAS PERMEABLE PARTITION MEMBER SITUATED WITHIN EACH CELL FOR SUBDIVIDING THE LATTER INTO A CHARGING COMPARTMENT FOR THE TOBACCO AND A FLOW COMPARTMENT FOR THE GASEOUS MEDIUM, SAID CHARGING COMPARTMENT OF EACH CELL BEING ARRANGED ABOVE SAID FLOW COMPARTMENT THEREOF, CONDUIT MEANS FOR CONVEYING THE GASEOUS MEDIUM PROVIDED FOR EACH FLOW COMPARTMENT, COVER MEANS FOR THE UPPERMOST CELL OF SAID COLUMN, FLOOR MEANS FOR THE LOWERMOST CELL OF SAID COLUMN, SAID COVER MEANS COOPERATING WITH SAID UPPERMOST CELL TO PROVIDE THEREBETWEEN AND ADDITIONAL FLOW COMPARTMENT, A CONDUIT FOR THE GASEOUS MEDIUM COMMUNICATING WITH SAID ADDITIONAL FLOW COMPARTMENT.
References Cited (Backward Citations)
US259553A
Cited
US533339A
Cited
US1523509A
Cited
US1778586A
Cited
US2136485A
Cited
US2229943A
Cited
US2281339A
Cited
US2634511A
Cited
US2856937A
Cited
US3084488A
Cited
US3335499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |