Patent US3149734A successfully refreshed from Google Patents.
US3149734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying apparatus for charging pellet indurating furnaces
Assignee: Erie Mining Co
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Filing: 1961-10-02
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Granted: 1964-09-22
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Ilmoni Pehr Adrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:17
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
APPARATUS FOR CONVEYING PARTICULATE MATERIAL TO A DISCHARGE AREA, IN PARTICULAR TO THE MOUTH OF AN INDURATING FURNACE, AT WHICH THE MATERIAL SHALL BE EVENLY DEPOSITED AND DISTRIBUTED OVER A LENGTH OR SURFACE, COMPRISING IN COMBINATION, A FIRST CONVEYOR UNIT INCLUDING A FIRST CONVEYOR BELT AND BEING MOVABLE BACK AND FORTH AS A UNIT IN THE LONGITUDINAL DIRECTION OF SAID FIRST CONVEYOR BELT; A SECOND CONVEYOR UNIT INCLUDING A SECOND CONVEYOR BELT LOCATED ABOVE AND PARALLEL TO SAID FIRST CONVEYOR BELT; A FIXED MEANS FOR FEEDING MATERIAL ONTO SAID SECOND CONVEYOR BELT; SAID SECOND CONVEYOR BELT BEING SO DISPOSED WITH REFERENCE TO SAID FIRST CONVEYOR BELT, AS TO DISCHARGE MATERIAL THEREFROM ONTO SAID FIRST CONVEYOR BELT AND SAID SECOND CONVEYOR UNIT BEING MOVABLE BACK AND FORTH IN THE LONGITUDINAL DIRECTION OF SAID SECOND CONVEYOR BELT, MEANS FOR DRIVING SAID FIRST CONVEYOR BELT, MEANS FOR DRIVING SAID SECOND CONVEYOR BELT IN AN OPPOSITE DIRECTION FROM THAT OF SAID FIRST CONVEYOR BELT, AND MEANS FOR MOVING SAID SECOND CONVEYOR UNIT AS A UNIT IN THE SAME DIRECTION AS SAID FIRST CONVEYOR UNIT WITH HALF THE VELOCITY OF THE MOVEMENT AS A UNIT OF SAID FIRST CONVEYOR UNIT.
Claim 2
Dependent Claim
195 words
APPARATUS FOR CONVEYING PARTICULATE MATERIAL TO A DISCHARGE AREA, IN PARTICULAR TO THE MOUTH OF AN INDURATING FURNACE, AT WHICH THE MATERIAL SHALL BE EVENLY DEPOSITED AND DISTRIBUTED OVER A LENGTH OR SURFACE, COMPRISING IN COMBINATION, A FIRST CONVEYOR UNIT INCLUDING A FIRST CONVEYOR BELT AND BEING MOVABLE BACK AND FORTH AS A UNIT IN THE LONGITUDINAL DIRECTION OF SAID FIRST CONVEYOR BELT; A SECOND CONVEYOR UNIT INCLUDING A SECOND CONVEYOR BELT LOCATED ABOVE AND PARALLEL TO SAID FIRST CONVEYOR BELT; A FIXED MEANS FOR FEEDING MATERIAL ONTO SAID SECOND CONVEYOR BELT; SAID SECOND CONVEYOR BELT BEING SO DISPOSED WITH REFERENCE TO SAID FIRST CONVEYOR BELT, AS TO DISCHARGE MATERIAL THEREFROM ONTO SAID FIRST CONVEYOR BELT AND SAID SECOND CONVEYOR UNIT BEING MOVABLE BACK AND FORTH IN THE LONGITUDINAL DIRECTION OF SAID SECOND CONVEYOR BELT, MEANS FOR DRIVING SAID FIRST CONVEYOR BELT, MEANS FOR DRIVING SAID SECOND CONVEYOR BELT IN AN OPPOSITE DIRECTION FROM THAT OF SAID FIRST CONVEYOR BELT, AND MEANS FOR MOVING SAID SECOND CONVEYOR UNIT AS A UNIT IN THE SAME DIRECTION AS SAID FIRST CONVEYOR UNIT WITH HALF THE VELOCITY OF THE MOVEMENT AS A UNIT OF SAID FIRST CONVEYOR UNIT.
References Cited (Backward Citations)
US2479823A
Cited
US2834484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |