US2532629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrodepositing iron
Assignee: SULPHIDE ORE PROCESS Co I
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Filing: 1947-11-07
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Granted: 1950-12-05
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Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Erich H Konrad
- 👤 William E C Eustis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:52
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD FOR THE ELECTRODEPOSITION OF IRON COMPRISING AS STEPS THE PASSING OF AN ELECTRIC CURRENT THROUGH AN AQUEOUS ELECTROLYTE CONTAINING FERROUS CHLORIDE, BETWEEN A CATHODE SURFACE AND A GRAPHITE ANODE BAR, IN SPACED, OPPOSED POSITION TO EACH OTHER IN THE AQUEOUS SOLUTION, AND SEPARATED BY A DIAPHRAGM WHICH IS PERVIOUS TO SAID AQUEOUS SOLUTION, THE ANODE BAR, ON ITS SURFACE OPPOSED TO THE CATHODE SURFACE, BEING IN CONTACT WITH A LAYER OF GRANULES OF GRAPHITE HAVING INDIVIDUAL CROSS-SECTIONAL DIMENSIONS UPWARD FROM ONE-EIGHT INCH, AND THE GRANULES BEING IN ELECTRICAL CONTACT WITH EACH OTHER AND PRESENTING A SURFACE AREA TO THE AQUEOUS SOLUTION OF FERROUS CHLORIDE WHICH IS GREATER THAN THE AREA OF THE GRAPHITE ANODE BAR, AND ELECTRODEPOSITING IRON ON THE CATHODE.
Claim 2
Independent Claim
123 words
A METHOD FOR THE ELECTRODEPOSITION OF IRON COMPRISING AS STEPS THE PASSING OF AN ELECTRIC CURRENT THROUGH AN AQUEOUS ELECTROLYTE CONTAINING FERROUS CHLORIDE, BETWEEN A CATHODE SURFACE AND A GRAPHITE ANODE BAR, IN SPACED, OPPOSED POSITION TO EACH OTHER IN THE AQUEOUS SOLUTION, AND SEPARATED BY A DIAPHRAGM WHICH IS PERVIOUS TO SAID AQUEOUS SOLUTION, THE ANODE BAR, ON ITS SURFACE OPPOSED TO THE CATHODE SURFACE, BEING IN CONTACT WITH A LAYER OF GRANULES OF GRAPHITE HAVING INDIVIDUAL CROSS-SECTIONAL DIMENSIONS UPWARD FROM ONE-EIGHT INCH, AND THE GRANULES BEING IN ELECTRICAL CONTACT WITH EACH OTHER AND PRESENTING A SURFACE AREA TO THE AQUEOUS SOLUTION OF FERROUS CHLORIDE WHICH IS GREATER THAN THE AREA OF THE GRAPHITE ANODE BAR, AND ELECTRODEPOSITING IRON ON THE CATHODE.
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |