US3091435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary-oscillatory device for mixing, tumbling, comminuting, and the like
Assignee: Curtiss Wright Corp
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Filing: 1961-01-30
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Granted: 1963-05-28
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 David W Pease
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:09
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/02; B24B31/027; B01; B01F; B01F31/00; B01F31/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
ROTARY-OSCILLATORY TRUMBLING DEVICE, COMPRISING IN COMBINATION A CRADLE, AN IDLER ROLLER SUPPORTED BY SAID CRADLE AND HAVING A HORIZONTAL LONGITUDINAL AXIS, A DRIVEN ROLLER OF THE SAME DIAMETER AS SAID IDLER ROLLER AND SUPPORTED BY SAID CRADLE AND HAVING AN LONGITUDINAL AXIS PARALLEL WITH SAID ROLLER AXIS, SAID ROLLERS BEING IN THE SAME HORIZONTAL PLANE AND HAVING THEIR AXES SPACED APART APPROXIMATELY TWO ROLLER DIAMETERS, SAID DRIVEN ROLLER BEING ADAPTED TO BE DRIVEN WITH ITS TOP SURFACE TURNING IN A DIRECTION AWAY FROM SAID IDLER ROLLER, A GENERALLY CYLINDRICAL BARREL ELEMENT HAVING A DIAMETER APPROXIMATELY TWICE OF SAID DRIVEN ROLLER AND HAVING
Claim 2
Dependent Claim
102 words
ROTARY-OSCILLATORY TRUMBLING DEVICE, COMPRISING IN COMBINATION A CRADLE, AN IDLER ROLLER SUPPORTED BY SAID CRADLE AND HAVING A HORIZONTAL LONGITUDINAL AXIS, A DRIVEN ROLLER OF THE SAME DIAMETER AS SAID IDLER ROLLER AND SUPPORTED BY SAID CRADLE AND HAVING AN LONGITUDINAL AXIS PARALLEL WITH SAID ROLLER AXIS, SAID ROLLERS BEING IN THE SAME HORIZONTAL PLANE AND HAVING THEIR AXES SPACED APART APPROXIMATELY TWO ROLLER DIAMETERS, SAID DRIVEN ROLLER BEING ADAPTED TO BE DRIVEN WITH ITS TOP SURFACE TURNING IN A DIRECTION AWAY FROM SAID IDLER ROLLER, A GENERALLY CYLINDRICAL BARREL ELEMENT HAVING A DIAMETER APPROXIMATELY TWICE OF SAID DRIVEN ROLLER AND HAVING
References Cited (Backward Citations)
US1337716A
Cited
US2873072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |