Patent US5309198A successfully refreshed from Google Patents.
Patent US3362414A successfully refreshed from Google Patents.
US3362414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for comminuting and classifying tobacco
Assignee: Körber AG
•
Filing: 1965-12-22
•
Granted: 1968-01-09
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Wochnowski Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:58
CPC Classifications
A; A24; A24B; A24B5/00; A24B5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN APPARATUS FOR DESTALKING TOBACCO LEAVES AND FOR SEPARATING HEAVIER AND LIGHTER PARTICLES OF SUCH LEAVES, COMPRISING A HOUSING DEFINING A SEPARATOR CHAMBER; A PLURALITY OF DESTALKING UNITS INCLUDING AN UPPER UNIT AND A LOWER UNIT EACH HAVING A ROTOR ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID UPPER UNIT BEING DISPOSED AT A LEVEL ABOVE SAID LOWER UNIT AND BEING ACCOMMODATED IN SAID HOUSING TO DIVIDE SAID CHAMBER INTO A PAIR OF UPWARDLY EXTENDING DUCTS HAVING INTERCONNECTED LOWER PORTIONS AT A LEVEL BELOW SAID UPPER UNIT; AND MEANS FOR ADMITTING INTO SAID CHAMBER A CURRENT OF AIR WHICH ENTRAINS LIGHTER PARTICLES INTO AND UPWARDLY THROUGH SAID DUCTS.
Claim 2
Independent Claim
107 words
AN APPARATUS FOR DESTALKING TOBACCO LEAVES AND FOR SEPARATING HEAVIER AND LIGHTER PARTICLES OF SUCH LEAVES, COMPRISING A HOUSING DEFINING A SEPARATOR CHAMBER; A PLURALITY OF DESTALKING UNITS INCLUDING AN UPPER UNIT AND A LOWER UNIT EACH HAVING A ROTOR ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID UPPER UNIT BEING DISPOSED AT A LEVEL ABOVE SAID LOWER UNIT AND BEING ACCOMMODATED IN SAID HOUSING TO DIVIDE SAID CHAMBER INTO A PAIR OF UPWARDLY EXTENDING DUCTS HAVING INTERCONNECTED LOWER PORTIONS AT A LEVEL BELOW SAID UPPER UNIT; AND MEANS FOR ADMITTING INTO SAID CHAMBER A CURRENT OF AIR WHICH ENTRAINS LIGHTER PARTICLES INTO AND UPWARDLY THROUGH SAID DUCTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |