US2813069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous anode
Assignee: Horizons Titanium Corp
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Filing: 1953-12-14
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Granted: 1957-11-12
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Bertram C Raynes
- 👤 Merle E Sibert
- 👤 Jr John T Burwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/02; C25C7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A METHOD OF ELECTROLYTICALLY DEPOSITING A METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM,M, VANADIUM, TANTALUM AND NIOBIUM, WHICH COMPRISES THE STEPS OF PREPARING AN ANHYDROUS FUSSED SALT BATH CONSISTING ESSENTIALLY OF AT LEAST ONE ALKALI MATAL HALIDE AND AT LEAST ABOUT 5% BY WEIGHT OF A HALIDE OF SAID METAL, INTRODUCING INTO SAID BATH A CARBIDE OF SAID METAL TO BE ELECTRODEPOSITED, PASSING AN ELECTROLYZING CURRENT THROUGH THE FUSED BATH BETWEEN SAID CARBIDE AND A CATHODE IN ELECTRICAL CONTACT WITH SAID BATH, AND RECOVERING THE RESULTANT CATHODICALLY DEPOSITED METAL; THE IMPROVEMENT WHICH COMPRISES: PROVIDING SAID CARBIDE AS A SINTERED POROUS RIGID MASS HAVING A DENSITY AFTER SINTERING OF APPROXIMATELY ONEHALF THAT OF THE SOLID METAL CARBIDE AND HAVING A SELF-COHERENT CARBON SKELETON WHICH REMAINS AFTER REMOVAL OF METAL FROM THE MASS DURING SAID ELECTROLYSIS.
Claim 2
Dependent Claim
137 words
IN A METHOD OF ELECTROLYTICALLY DEPOSITING A METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM,M, VANADIUM, TANTALUM AND NIOBIUM, WHICH COMPRISES THE STEPS OF PREPARING AN ANHYDROUS FUSSED SALT BATH CONSISTING ESSENTIALLY OF AT LEAST ONE ALKALI MATAL HALIDE AND AT LEAST ABOUT 5% BY WEIGHT OF A HALIDE OF SAID METAL, INTRODUCING INTO SAID BATH A CARBIDE OF SAID METAL TO BE ELECTRODEPOSITED, PASSING AN ELECTROLYZING CURRENT THROUGH THE FUSED BATH BETWEEN SAID CARBIDE AND A CATHODE IN ELECTRICAL CONTACT WITH SAID BATH, AND RECOVERING THE RESULTANT CATHODICALLY DEPOSITED METAL; THE IMPROVEMENT WHICH COMPRISES: PROVIDING SAID CARBIDE AS A SINTERED POROUS RIGID MASS HAVING A DENSITY AFTER SINTERING OF APPROXIMATELY ONEHALF THAT OF THE SOLID METAL CARBIDE AND HAVING A SELF-COHERENT CARBON SKELETON WHICH REMAINS AFTER REMOVAL OF METAL FROM THE MASS DURING SAID ELECTROLYSIS.
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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |