Patent US3190470A successfully refreshed from Google Patents.
US3190470A
Expired / Lapsed
US
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Apparatus for distributing solids
Assignee: Knapsack AG
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Filing: 1959-02-25
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Granted: 1965-06-22
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Expires: 1979-02-25
Abstract
No abstract record available.
Inventors
- 👤 Ritter Friedbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:35
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/002; F; F27; F27D; F27D3/00; F27D3/0033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AN APPARATUS FOR DISTRIBUTING SOLIDS UNIFORMLY IN THIN LAYERS ONTO AND OVER THE ENTIRE SURFACE OF A CIRCULAR SHAPED AREA OF A REACTION FURNACE CHAMBER WHICH COMPRISES A TUBE ARRANGED SUBSTANTIALLY VERTICALLY AND MOUNTED FOR ROTATION ABOUT ITS LONGITUDINALLY AXIS, THE LOWER DISCHARGE END OF SAID TUBE BEING CURVED OUTWARDLY AWAY FROM ITS VERTICAL AXIS, A STATIONARY TUBE DISPOSED WITHIN THE ROTAT-
Claim 2
Independent Claim
62 words
AN APPARATUS FOR DISTRIBUTING SOLIDS UNIFORMLY IN THIN LAYERS ONTO AND OVER THE ENTIRE SURFACE OF A CIRCULAR SHAPED AREA OF A REACTION FURNACE CHAMBER WHICH COMPRISES A TUBE ARRANGED SUBSTANTIALLY VERTICALLY AND MOUNTED FOR ROTATION ABOUT ITS LONGITUDINALLY AXIS, THE LOWER DISCHARGE END OF SAID TUBE BEING CURVED OUTWARDLY AWAY FROM ITS VERTICAL AXIS, A STATIONARY TUBE DISPOSED WITHIN THE ROTAT-
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |