Patent US3200947A successfully refreshed from Google Patents.
US3200947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating tobacco and the like material
Assignee: Körber AG
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Filing: 1961-09-27
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Granted: 1965-08-17
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Wochnowski Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:04
CPC Classifications
A; A24; A24B; A24B5/00; A24B5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
AN APPARATUS FOR SEPARATING A MIXTURE OF LIGHTER AND HEAVIER TOBACCO PARTICLES INTO A FIRST FRACTION WHICH CONTAINS LIGHTER PARTICLES AND A SECOND FRACTION WHICH CONTAINS HEAVIER PARATICLES, INCLUDING A PLURALITY OF CLASSIFYING SEPARATOR BOXES IN A CLOSED PNEUMATIC SYSTEM LOCATED IN THE ORDER OF THE MOVEMENT OF THE MIXTURE TO BE SEPARATED, SAID SEPARATOR BOXES BEING DIVIDED INTO A FIRST GROUP AND A SECOND GROUP EACH INCLUDING AT LEAST ONE SEPARATOR BOX, EACH SEPARATOR BOX HAVING AN AIR INLET, AN AIR OUTLET AND A DISCHARGE DEVICE FOR ONE FRACTION OF TREATED MATERIAL, A SINGLE BLOWER HAVING A PRESSURE OUTLER AND A SUCTION INLET, MENS FOR CONNECTING THE SUCTION INLET OF SAID BLOWER ONLY TO THE OUTLET IN EACH OF SAID FIRST GROUP OF CLASSIFYING SEPARATOR BOXED AND INDEPENDENT DUCT MENS FOR CONNECTING THE PRESSUR OUTLET OF SAID BLOWER ONLY TO THE INLET IN EACH OF SAID SECOND GROUP OF CLASSIFYING SEPARATOR BOXES, THE DISCHARGE DEVICE OF EACH PRECEDING SEPARATOR BOX BEING ARRANGED TO DISCHARGE INTO THE INLET OF THE NEXT FOLLOWING SEPARATOR BOX IN THE ORDER OF MOVEMENT OF THE MATERIAL TO BE SEPARATED.
Claim 2
Independent Claim
185 words
AN APPARATUS FOR SEPARATING A MIXTURE OF LIGHTER AND HEAVIER TOBACCO PARTICLES INTO A FIRST FRACTION WHICH CONTAINS LIGHTER PARTICLES AND A SECOND FRACTION WHICH CONTAINS HEAVIER PARATICLES, INCLUDING A PLURALITY OF CLASSIFYING SEPARATOR BOXES IN A CLOSED PNEUMATIC SYSTEM LOCATED IN THE ORDER OF THE MOVEMENT OF THE MIXTURE TO BE SEPARATED, SAID SEPARATOR BOXES BEING DIVIDED INTO A FIRST GROUP AND A SECOND GROUP EACH INCLUDING AT LEAST ONE SEPARATOR BOX, EACH SEPARATOR BOX HAVING AN AIR INLET, AN AIR OUTLET AND A DISCHARGE DEVICE FOR ONE FRACTION OF TREATED MATERIAL, A SINGLE BLOWER HAVING A PRESSURE OUTLER AND A SUCTION INLET, MENS FOR CONNECTING THE SUCTION INLET OF SAID BLOWER ONLY TO THE OUTLET IN EACH OF SAID FIRST GROUP OF CLASSIFYING SEPARATOR BOXED AND INDEPENDENT DUCT MENS FOR CONNECTING THE PRESSUR OUTLET OF SAID BLOWER ONLY TO THE INLET IN EACH OF SAID SECOND GROUP OF CLASSIFYING SEPARATOR BOXES, THE DISCHARGE DEVICE OF EACH PRECEDING SEPARATOR BOX BEING ARRANGED TO DISCHARGE INTO THE INLET OF THE NEXT FOLLOWING SEPARATOR BOX IN THE ORDER OF MOVEMENT OF THE MATERIAL TO BE SEPARATED.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |