Patent US3179378A successfully refreshed from Google Patents.
US3179378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing and transporting finely divided solids
Assignee: DUCON CO
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Filing: 1962-12-26
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Granted: 1965-04-20
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Zenz
- 👤 Hunter Daniel Mck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:38
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18; B65G53/22; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR FLUIDIZING AND TRANSPORTING FINELY DIVIDED SOLIDS COMPRISING A VESSEL HAVING A CONICAL BASE, A PIPE HAVING A FLARED END WITHIN SAID BASE, A DISH-SHAPED GRID JUXTAPOSED TO AND SPACED FROM SAID FLARED END, MEANS FOR ADMITTING FLUID TO AN UPPER PORTION OF SAID VESSEL, MEANS FOR INTRODUCING FINELY DIVIDED SOLIDS INTO SAID VESSEL, MEANS FOR INTRODUCING A FLUIDIZING MEDIUM THROUGH SAID GRID IN AN UPWARDLY DIRECTION TO FLUIDIZE ONLY THE PORTION OF FINELY DIVIDED SOLIDS ADJACENT SAID FLARED END, AND A SECOND PIPE HAVING ONE END IN LINE WITH AND SPACED FROM SAID FLARED END, WHEREBY FLUIDIZED SOLIDS WILL MIX WITH AND BE CONVEYED OUT OF SAID VESSEL BY A TRANSPORT MEDIUM FLOWING THROUGH SAID FIRST AND SECOND PIPES.
Claim 2
Dependent Claim
121 words
APPARATUS FOR FLUIDIZING AND TRANSPORTING FINELY DIVIDED SOLIDS COMPRISING A VESSEL HAVING A CONICAL BASE, A PIPE HAVING A FLARED END WITHIN SAID BASE, A DISH-SHAPED GRID JUXTAPOSED TO AND SPACED FROM SAID FLARED END, MEANS FOR ADMITTING FLUID TO AN UPPER PORTION OF SAID VESSEL, MEANS FOR INTRODUCING FINELY DIVIDED SOLIDS INTO SAID VESSEL, MEANS FOR INTRODUCING A FLUIDIZING MEDIUM THROUGH SAID GRID IN AN UPWARDLY DIRECTION TO FLUIDIZE ONLY THE PORTION OF FINELY DIVIDED SOLIDS ADJACENT SAID FLARED END, AND A SECOND PIPE HAVING ONE END IN LINE WITH AND SPACED FROM SAID FLARED END, WHEREBY FLUIDIZED SOLIDS WILL MIX WITH AND BE CONVEYED OUT OF SAID VESSEL BY A TRANSPORT MEDIUM FLOWING THROUGH SAID FIRST AND SECOND PIPES.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |