US2653128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and bath for electrodepositing tungsten alloys
Assignee: Individual
•
Filing: 1946-11-08
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Granted: 1953-09-22
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Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 Brenner Abner
- 👤 Polly S Burkhead
- 👤 Clara A Sentel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:56
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE METHOD OF ELECTROPLATING A METAL OBJECT WITH AN ALLOY COMPOSED OF TUNGSTEN AND AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL; WHICH METHOD COMPRISES CONNECTING THE OBJECT TO BE PLATED AS A CATHODE IN AN ELECTROLYTIC BATH CONSISTING OF AN AQUEOUS ALKALINE SOLUTION OF SOLUBLE SALTS THAT SUPPLY TO SAID SOLUTION TUNGSTATE IONS AND A COMPLEX CONSISTING OF AMMONIUM IONS PLUS IONS OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL, PLUS ALIPHATIC ORGANIC IONS HAVING AT LEAST THREE HYDROXYL AND CARBOXYL GROUPS IN SUM TOTAL, SAID SOLUBLE SALTS BEING SUBSTANTIALLY NON-REACTIVE CHEMICALLY WITH THE SAID METAL OBJECT UPON WHICH THE TUNGSTEN ALLOY IS BEING ELECTROPLATED, AND PLATING SAID METAL OBJECT WITH THE TUNGSTEN ALLOY.
Claim 2
Independent Claim
126 words
THE METHOD OF ELECTROPLATING A METAL OBJECT WITH AN ALLOY COMPOSED OF TUNGSTEN AND AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL; WHICH METHOD COMPRISES CONNECTING THE OBJECT TO BE PLATED AS A CATHODE IN AN ELECTROLYTIC BATH CONSISTING OF AN AQUEOUS ALKALINE SOLUTION OF SOLUBLE SALTS THAT SUPPLY TO SAID SOLUTION TUNGSTATE IONS AND A COMPLEX CONSISTING OF AMMONIUM IONS PLUS IONS OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL, PLUS ALIPHATIC ORGANIC IONS HAVING AT LEAST THREE HYDROXYL AND CARBOXYL GROUPS IN SUM TOTAL, SAID SOLUBLE SALTS BEING SUBSTANTIALLY NON-REACTIVE CHEMICALLY WITH THE SAID METAL OBJECT UPON WHICH THE TUNGSTEN ALLOY IS BEING ELECTROPLATED, AND PLATING SAID METAL OBJECT WITH THE TUNGSTEN ALLOY.
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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |