Patent US688924A successfully refreshed from Google Patents.
Patent US2786809A successfully refreshed from Google Patents.
US2786809A
Expired / Lapsed
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Electrolytic cladding
Assignee: Horizons Titanium Corp
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Filing: 1953-09-30
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Granted: 1957-03-26
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Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bertram C Raynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:12
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF CLADDING A BASE METAL WITH A CORROSION-RESISTANT METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, TANTALUM, NIOBIUM, CHROMIUM, MOLYBDENUM AND TUNGSTEN BY ELECTROLYSIS IN A FUSED SALT BATH WHICH COMPRISES ESTABLISHING A FUSED SALT BATH CONSISTING ESSENTIALLY OF (A) A MAJOR AMOUNT OF A HALIDE OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HALIDES, (B) ABOUT 15 TO 50% BY WEIGHT OF A DOUBLE FLOURIDE OF AN ALKALI METAL AND THE CORROSION-RESISTANT METAL AND (C) ABOUT 1/4 TO 10% BY WEIGHT OF WATER, MAINTAINING SAID BATH AT AN ELEVATED TEMPERATURE ABOVE ITS MELTING POINT, AND THEN ELECTROLYZING THE BATH AT SAID ELEVATED TEMPERATURE BETWEEN A SOLID ANODE AND A SOLID CATHODE COMPOSED OF A BASE METAL HAVING A MELTING POINT SUBSTANTIALLY ABOVE THE MELTING POINT OF THE BATH, AND RECOVERING THE RESULTING BASE METAL CATHODE CLAD BY A METALTO-METAL BOND WITH THE CORROSION-RESISTANT METAL.
Claim 2
Independent Claim
152 words
THE METHOD OF CLADDING A BASE METAL WITH A CORROSION-RESISTANT METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, TANTALUM, NIOBIUM, CHROMIUM, MOLYBDENUM AND TUNGSTEN BY ELECTROLYSIS IN A FUSED SALT BATH WHICH COMPRISES ESTABLISHING A FUSED SALT BATH CONSISTING ESSENTIALLY OF (A) A MAJOR AMOUNT OF A HALIDE OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HALIDES, (B) ABOUT 15 TO 50% BY WEIGHT OF A DOUBLE FLOURIDE OF AN ALKALI METAL AND THE CORROSION-RESISTANT METAL AND (C) ABOUT 1/4 TO 10% BY WEIGHT OF WATER, MAINTAINING SAID BATH AT AN ELEVATED TEMPERATURE ABOVE ITS MELTING POINT, AND THEN ELECTROLYZING THE BATH AT SAID ELEVATED TEMPERATURE BETWEEN A SOLID ANODE AND A SOLID CATHODE COMPOSED OF A BASE METAL HAVING A MELTING POINT SUBSTANTIALLY ABOVE THE MELTING POINT OF THE BATH, AND RECOVERING THE RESULTING BASE METAL CATHODE CLAD BY A METALTO-METAL BOND WITH THE CORROSION-RESISTANT METAL.
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) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |