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US3173424A Expired / Lapsed US ⏱️ 0.0 years remaining

Tobacco compressing vacuum wheel for continuous cigarette making machine

Assignee: AMF Inc
•
Filing: 1962-02-02
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Granted: 1965-03-16
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Expires: 1982-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Gamberini Goffredo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:00
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/14; A24C5/18

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 234 words
IN A CONTINUOUS PROCESS CIGARETTE MANUFACTURING MACHINE HAVING A SUCTION WHEEL ROTATING ON A HORIZONTAL AXIS, SAID WHEEL HAVING ALSO A PERIPHERAL RIM CONTAINING SMALL RADIAL PASSAGES RENDERING A PATH ABOUT SAID RIM PERMEABLE TO THE PASSAGE OF AIR, MEANS CREATING A PARTIAL VACUUM WITHIN SAID RIM OF SAID WHEEL, A STATIONARY PACKING DISPOSED WITHIN SAID RIM BLOCKING THE PASSAGE OF AIR THROUGH SAID PASSAGES ABOUT A PORTION OF THE CIRCUMFERENCE OF SAID RIM, A FIRST BELT CONVEYING TOBACCO TO AN UPPER PORTION OF SAID SECTION WHEEL, MEANS ROTATING SAID WHEEL AWAY FROM SAID FIRST BELT, AND A SECOND BELT AT LEAST PARTIALLY DISPOSED BELOW SAID SECTION WHEEL AND CONVEYING A TOBACCO CORD AWAY FROM SAID SUCTION WHEEL, THE IMPROVEMENT COMPRISING, A PAIR OF STATIONARY SPACED AND PARALLEL SIDE WALLS EXTENDING RADIALLY AND EXTERNALLY OF SAID WHEEL AND TERMINATING IN EDGE PORTIONS RELATIVELY SLIGHTLY SPACED FROM SAID RIM FORMING A TOBACCO RECEIVING CHANNEL THEREWITH, SAID SIDE WALLS BEING DISPOSED ON EITHER SIDE OF SAID SMALL PASSAGES THROUGH SAID RIM, SAID FIRST BELT HAVING AN UPPER RUN WHICH, IF CONTINUED, WOULD BE SUBSTANTIALLY TANGENT TO SAID RIM, SAID FIRST BELT ENDING AND LEAVING A GAP BETWEEN THE END OF SAID FIRST BELT AND SAID RIM BETWEEN SAID SIDE WALLS, SAID PACKING BEING DISPOSED WITHIN SAID RAM AND HAVING A PORTION EXTENDING IN THE DIRECTION OF ROTATION OF SAID WHEEL FOR A SHORT DISTANCE BEYOND SAID

References Cited (Backward Citations)

US1808795A Cited
US1837717A Cited
US2169582A Cited
US2195780A Cited
US3030966A Cited
US2938521A Cited
US3045681A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-15 1968-09-14 1969-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-15 1972-09-14 1973-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-15 1976-09-14 1977-03-16 $7700.00 Window Closed / Lapsed

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