US3371026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic reduction cell with crustbreaking and ore feeding means
Assignee: Reynolds Metals Co
•
Filing: 1964-02-04
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Granted: 1968-02-27
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Kiley Allan Jack
- 👤 Harry T Shiver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN AUTOMATIC ORE FEEDER COMPRISING A HOPPER, AN ORIFICE PLATE AT THE BOTTOM OF SAID HOPPER, AN ORIFICE IN SAID PLATE, A FIRST PIPE WITHIN SAID HOPPER WUPPORTED ON SAID ORIFICE PLATE ABOVE THE ORIFICE CUTOUTS IN SAID FIRST PIPE AT THE LOWER END THEREOF, A SECOND PIPE CARRIED BY THE UNDERSIDE OF SAID PLATE, A BREAKER FOOT NORMALLY CLOSING THE LOWER END OF SAID SECOND PIPE THEREBY DEFINING A CALIBRATED CHAMBER, A LOWER ROD CONNECTED TO SAID BREAKER FOOT AND EXTENDING UPWARDLY INTRO SAID SECOND PIPE, A VALVE MEMBER WITHIN SAID FIRST PIPE CONECTED TO THE UPPER END OF SAID LOWER ROD ADAPTED TO JUST PASS THROUGH SAID ORIFICE, AN UPPER ROD CONNECTED TO THE UPPER END OF SAID VALEV MEMBER, AND A SELECTIVELY OPERABLE MEANS CONNECTED TO SAID UPPER ROD FOR ACTUATING SAID UPPER ROD, VALVE MEMBER, LOWER ROD, AND BREAKER FOOT.
Claim 2
Dependent Claim
144 words
AN AUTOMATIC ORE FEEDER COMPRISING A HOPPER, AN ORIFICE PLATE AT THE BOTTOM OF SAID HOPPER, AN ORIFICE IN SAID PLATE, A FIRST PIPE WITHIN SAID HOPPER WUPPORTED ON SAID ORIFICE PLATE ABOVE THE ORIFICE CUTOUTS IN SAID FIRST PIPE AT THE LOWER END THEREOF, A SECOND PIPE CARRIED BY THE UNDERSIDE OF SAID PLATE, A BREAKER FOOT NORMALLY CLOSING THE LOWER END OF SAID SECOND PIPE THEREBY DEFINING A CALIBRATED CHAMBER, A LOWER ROD CONNECTED TO SAID BREAKER FOOT AND EXTENDING UPWARDLY INTRO SAID SECOND PIPE, A VALVE MEMBER WITHIN SAID FIRST PIPE CONECTED TO THE UPPER END OF SAID LOWER ROD ADAPTED TO JUST PASS THROUGH SAID ORIFICE, AN UPPER ROD CONNECTED TO THE UPPER END OF SAID VALEV MEMBER, AND A SELECTIVELY OPERABLE MEANS CONNECTED TO SAID UPPER ROD FOR ACTUATING SAID UPPER ROD, VALVE MEMBER, LOWER ROD, AND BREAKER FOOT.
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |