US3159574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catch box
Assignee: Heat and Control Inc
•
Filing: 1961-01-23
•
Granted: 1964-12-01
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Clark K Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:07
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
IN A CATCH BOX FOR REMOVING FINES FROM A LIQUID, A RECTANGULAR CONTAINER OPEN AT THE TOP TO FORM A RIM THERE AROUND AND HAVING INFLOW AND OUTFLOW PASSAGES DISPOSED NEAR ITS LOWER END, A CONVEYOR ASSEMBLY REMOVABLY RESTING UNATTACHED ON THE BOTTOM OF SAID CONTAINER AND SAID RIM, THE CONVEYOR ASSEMBLY COMPRISING A PAIR OF SAID FRAME MEMBERS, A DRIVE ROLLER AND A DRIVEN ROLLER ROTATABLY MOUNTED IN THE SIDE FRAME MEMBERS, AN ENDLESS BELT OF RELATIVELY FINE WOVEN MATERIAL MOUNTED ON SAID DRIVE AND DRIVEN ROLLERS, SAID BELT CARRYING LIFTING FLIGHTS DISPOSED TRANSVERSELY THEREOF, THE FLIGHTS PROJECTING OUTWARDLY FROM THE BELT AND HAVING PERFORATIONS THEREIN, THE CONVEYOR ASSEMBLY BEING ARRANGED SO THAT THE BELT IS DISPOSED BETWEEN THE INFLOW AND OUTFLOW PASSAGES AND SUBSTANTIALLY AT RIGHT ANGLES TO THE PATH OF FLOW OF LIQUID THROUGH THE CONTAINER, THE CONVEYOR ASSEMBLY HAVING A WIDTH EQUAL TO THE WIDTH OF THE CONTAINER AND BEING POSITIONED ON THE BOTTOM OF THE CONTAINER, THE LOWER END OF THE CONVEYOR BEING SPACED FROM THE BOTTOM WALL A DISTANCE SUBSTANTIALLY EQUAL TO THE OUTWARD PROJECTION OF SAID FLIGHTS WHEREBY SUBSTANTIALLY ALL OF THE LIQUID PASSING FROM THE INFLOW TO THE OUTFLOW PASSAGES MUST PASS THROUGH THE BELT OR THE FLIGHTS, THE LOWER
Claim 2
Dependent Claim
208 words
IN A CATCH BOX FOR REMOVING FINES FROM A LIQUID, A RECTANGULAR CONTAINER OPEN AT THE TOP TO FORM A RIM THERE AROUND AND HAVING INFLOW AND OUTFLOW PASSAGES DISPOSED NEAR ITS LOWER END, A CONVEYOR ASSEMBLY REMOVABLY RESTING UNATTACHED ON THE BOTTOM OF SAID CONTAINER AND SAID RIM, THE CONVEYOR ASSEMBLY COMPRISING A PAIR OF SAID FRAME MEMBERS, A DRIVE ROLLER AND A DRIVEN ROLLER ROTATABLY MOUNTED IN THE SIDE FRAME MEMBERS, AN ENDLESS BELT OF RELATIVELY FINE WOVEN MATERIAL MOUNTED ON SAID DRIVE AND DRIVEN ROLLERS, SAID BELT CARRYING LIFTING FLIGHTS DISPOSED TRANSVERSELY THEREOF, THE FLIGHTS PROJECTING OUTWARDLY FROM THE BELT AND HAVING PERFORATIONS THEREIN, THE CONVEYOR ASSEMBLY BEING ARRANGED SO THAT THE BELT IS DISPOSED BETWEEN THE INFLOW AND OUTFLOW PASSAGES AND SUBSTANTIALLY AT RIGHT ANGLES TO THE PATH OF FLOW OF LIQUID THROUGH THE CONTAINER, THE CONVEYOR ASSEMBLY HAVING A WIDTH EQUAL TO THE WIDTH OF THE CONTAINER AND BEING POSITIONED ON THE BOTTOM OF THE CONTAINER, THE LOWER END OF THE CONVEYOR BEING SPACED FROM THE BOTTOM WALL A DISTANCE SUBSTANTIALLY EQUAL TO THE OUTWARD PROJECTION OF SAID FLIGHTS WHEREBY SUBSTANTIALLY ALL OF THE LIQUID PASSING FROM THE INFLOW TO THE OUTFLOW PASSAGES MUST PASS THROUGH THE BELT OR THE FLIGHTS, THE LOWER
References Cited (Backward Citations)
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US1789425A
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |