Patent US3074413A successfully refreshed from Google Patents.
US3074413A
Expired / Lapsed
US
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Cigarette making machine
Assignee: AMF Inc
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Filing: 1959-03-13
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Granted: 1963-01-22
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Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Colin S Mcarthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:38
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/14; A24C5/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
247 words
APPARATUS FOR FORMING A CONTINOUS ROPE OF TOBACCO COMPRISING MEANS TO CIRCULATE A CURRENT OF GAS IN A CLOSED CIRCUIT THROUGH THE APPARATUS, MEANS TO INTRODUCE A CONTINOUS FLOW OF TOBACCO PARTICLES INTO THE GAS CURRENT TO FORM A CURRENT OF TOBACCO CARRYING GAS, A ROTATING HOLLOW DRUM WITH A PERFORATED PERIPHERY, A PORTION OF THE PERIPHERY INTERCEPTING THE CURRENT OF TOBACCO CARRYING GAS TO COLLECT THE TOBACCO THEREON WHILST THE GAS PASSES THROUGH THE PERFORATED PERIPHERY OF SAID DRUM, A PLURALITY OF STATIONARY CHORDAL GUIDES INSIDE THE DRUM, SAID GUIDES FORMING CHANNELS TO GUIDE THE AIR INSIDE THE DRUM SO THAT IT PASSES ACROSS THE DRUM AND OUT OF THE DRUM THROUGH A PORTION OF THE PERIPHERY SUBSTANTIALLY OPPOSITE TO THAT PORTION OF THE PERIPHERY THROUGH WHICH IT ENTERED THE DRUM, A DUCT TO CONDUCT THE GAS FROM ITS ZONE OF EXIT FROM THE DRUM THROUGH THE REMAINDER OF THE CIRCUIT, A PLURALITY OF STATIONARY GUIDES INSIDE DUCT ADJACENT TO THE PERIPHERY OF THE DRUM, EACH OF SAID GUIDES FORMING A CONTINUATION OF A CORRESPONDING GUIDE INSIDE THE DRUM, ADJUSTABLE VALVES INSIDE OF THE CHANNELS FORMED BY THE GUIDES IN THE DUCT TO MAKE POSSIBLE SEPARATE CONTROL OF THE QUANTITY OF GAS PASSING THROUGH EACH CHANNEL, THE TOBACCO DEPOSITED ON THE DRUM BEING CARRIED FROM THE POSITION WHERE IT IS DEPOSITED ON THE DRUM TO A POSITION REMOTE THEREFROM WHERE IT IS REMOVED FROM THE DRUM AS A CONTINUOUS ROPE, AND MEANS FOR RECEIVING SAID ROPE.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |