Patent US3140123A successfully refreshed from Google Patents.
US3140123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling of slurries
Assignee: International Combustion Holdings Ltd
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Filing: 1961-12-04
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Granted: 1964-07-07
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Bowen Idris Gwynne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:12
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/06; F23C2700/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
APPARATUS FOR INTRODUCING SLURRY INTO A PIPELINE COMPRISING A SLURRY RESERVOIR ARRANGED TO SUPPLY SLURRY TO A LOCK HOPPER, A DRY MATERIAL INPUT LINE FEEDING SAID RESERVOIR, A CLEAN LIQUID SOURCE ARRANGED TO EXPEL SLURRY BY DISPLACEMENT FROM THE LOCK HOPPER, A LIQUID BY-PASS CONDUIT CONNECTING SAID LOCK HOPPER TO LIQUID CLARIFYING MEANS, A LIQUID RETURN CONDUIT CONNECTING THE LIQUID CLARIFYING MEANS TO THE LIQUID SOURCE, AND A DIRTY LIQUID CONDUIT CONNECTING SAID LOCK HOPPER TO THE SLURRY RESERVOIR THE APPARATUS BEING SUCH THAT, IN OPERATION, A QUANTITY OF DISPLACEMENT LIQUID EQUAL IN VOLUME TO THE VOLUME OF THE SOLID CONTENT OF THE SLURRY IS CLARIFIED AND RETURNED TO THE LIQUID SOURCE AND THE REMAINING DISPLACEMENT LIQUID IS CONDUCTED TO THE SLURRY RESERVOIR.
Claim 2
Dependent Claim
123 words
APPARATUS FOR INTRODUCING SLURRY INTO A PIPELINE COMPRISING A SLURRY RESERVOIR ARRANGED TO SUPPLY SLURRY TO A LOCK HOPPER, A DRY MATERIAL INPUT LINE FEEDING SAID RESERVOIR, A CLEAN LIQUID SOURCE ARRANGED TO EXPEL SLURRY BY DISPLACEMENT FROM THE LOCK HOPPER, A LIQUID BY-PASS CONDUIT CONNECTING SAID LOCK HOPPER TO LIQUID CLARIFYING MEANS, A LIQUID RETURN CONDUIT CONNECTING THE LIQUID CLARIFYING MEANS TO THE LIQUID SOURCE, AND A DIRTY LIQUID CONDUIT CONNECTING SAID LOCK HOPPER TO THE SLURRY RESERVOIR THE APPARATUS BEING SUCH THAT, IN OPERATION, A QUANTITY OF DISPLACEMENT LIQUID EQUAL IN VOLUME TO THE VOLUME OF THE SOLID CONTENT OF THE SLURRY IS CLARIFIED AND RETURNED TO THE LIQUID SOURCE AND THE REMAINING DISPLACEMENT LIQUID IS CONDUCTED TO THE SLURRY RESERVOIR.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |