Patent US3600284A successfully refreshed from Google Patents.
US3600284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of adding refractory metal halides to molten salt electrolytes
Assignee: United States Department of the Interior
•
Filing: 1969-02-18
•
Granted: 1971-08-17
•
Expires: 1989-02-18
Abstract
Abstract AN INTEGRATED SOLID MASS, E.G., A GLOBULE, OF A TETRACHLORIDE OF ZIRCONIUM OR HAFNIUM, OR A PENTACHLORIDE OF NIOBIUM, MOLYBDENUM OR TANTALUM IS PLUNGED INTO A MOLTEN SALT ELECTROLYTE COMPOSITION IN ORDER TO INTRODUCE THIS METAL COMPOUND INTO THE SALT BATH FOR THE PURPOSE OF ELECTRODEPOSITING THE PARTICULAR REFRACTORY METAL OF SAID METAL COMPOUND.
Inventors
- 👤 George M Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:57
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |