US3092117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winnowing apparatus for cigarettemaking machines
Assignee: Molins Machine Co Ltd
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Filing: 1961-05-03
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Granted: 1963-06-04
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Labbe Francis Auguste Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:04
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/14; A24C5/18; A24C5/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A CIGARETTE-MAKING MACHINE OF THE KIND IN WHICH CUT TOBACCO IS CARRIED BY A FIRST AIRSTREAM IN THE FORMATION OF A TOBACCO FILLER, AND HAVING WINNOWING APPARATUS COMPRISING A PICKER ROLLER ARRANGED TO REMOVE TOBACCO FROM A CARDED ROLLER AND THROW IT INTO A SECOND AIRSTREAM WHEREBY LIGHT PARTICLES ARE CARRIED AWAY BY SAID SECOND AIRSTREAM WHILE HEAVIER PARTICLES CONTINUE TO MOVE SUBSTANTIALLY ALONG THEIR ORIGINAL PATH TO STRIKE AGAINST A WALL AND THEREAFTER TO FALL BY GRAVITY; A ROTATABLE SIFTING DEVICE ARRANGED TO RECEIVE THE FALLING PARTICLES AND SEPARATE LARGE PARTICLES AND DELIVER THEM TO A FIRST OUTLET AND PERMIT SMALLER PARTICLES TO PASS THROUGH SAID SIFTING DEVICE TO A
Claim 2
Dependent Claim
112 words
IN A CIGARETTE-MAKING MACHINE OF THE KIND IN WHICH CUT TOBACCO IS CARRIED BY A FIRST AIRSTREAM IN THE FORMATION OF A TOBACCO FILLER, AND HAVING WINNOWING APPARATUS COMPRISING A PICKER ROLLER ARRANGED TO REMOVE TOBACCO FROM A CARDED ROLLER AND THROW IT INTO A SECOND AIRSTREAM WHEREBY LIGHT PARTICLES ARE CARRIED AWAY BY SAID SECOND AIRSTREAM WHILE HEAVIER PARTICLES CONTINUE TO MOVE SUBSTANTIALLY ALONG THEIR ORIGINAL PATH TO STRIKE AGAINST A WALL AND THEREAFTER TO FALL BY GRAVITY; A ROTATABLE SIFTING DEVICE ARRANGED TO RECEIVE THE FALLING PARTICLES AND SEPARATE LARGE PARTICLES AND DELIVER THEM TO A FIRST OUTLET AND PERMIT SMALLER PARTICLES TO PASS THROUGH SAID SIFTING DEVICE TO A
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |