US3140862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the physical and/or chemical treatment of granular solids or fine dusts
Assignee: Metallbau Semler GmbH
•
Filing: 1960-05-04
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Granted: 1964-07-14
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Expires: 1980-05-04
Abstract
No abstract record available.
Inventors
- 👤 Schoppe Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/386
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
AN INLET MEANS FOR A VERTICALLY DISPOSED MIXING CHAMBER COMPRISING AN INLET VOLUTE HAVING A SUBSTANTIALLY VERTICALLY DISPOSED SIDE WALL AND SUBSTANTIALLY HORIZONTAL TOP AND BOTTOM WALLS, AN INLET CONDUIT FOR SAID VOLUTE EXTENDING THEREINTO, AN OUTLET MEANS COMPRISING AN OPENING FORMED IN THE CENTER OF THE TOP WALL THEREOF, A SECOND SMALLER CENTRAL OUTLET MEANS LOCATED IN THE BOTTOM WALL THEREOF CONCENTRIC WITH SAID VOLUTE OUTLET OPENING COMPRISING A FUNNEL SHAPED UPPER PORTION AND A TUBULAR EXTENSION DEPENDING THEREFROM, AND A THIRD PERIPHERALLY DISPOSED OUTLET MEANS COMPRISING A VERTICALLY DISPOSED DEPENDING DISCHARGE MEMBER HAVING AN OPENING IN THE UPPER END THEREOF, SAID OPENING COMMUNICATING INTO THE PERIPHERAL WALL OF SAID VOLUTE.
References Cited (Backward Citations)
US503558A
Cited
US1948313A
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US2344007A
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US2257907A
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US2391723A
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US2441613A
Cited
US2613450A
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US2659587A
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US2911730A
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US2924887A
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US2956347A
Cited
US3020646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |