Patent US5040199A successfully refreshed from Google Patents.
Patent US3716463A successfully refreshed from Google Patents.
US3716463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright gold alloy electroplating bath and process
Assignee: Auric Corp
•
Filing: 1971-08-30
•
Granted: 1973-02-13
•
Expires: 1991-08-30
Abstract
Abstract AN ELECTROPLATING BATH FOR EFFECTING BRIGHT AND RELATIVELY STRESS-FREE DEPOSITS OF GOLD ALLOYS. THE BATH IS AN AQUEOUS SOLUTION OF A SOLUBLE GOLD-ALKALI METAL CYANIDE AND A WEAK, STABLE, PARTIALLY NEUTRALIZED ORGANIC ACID, TOGETHER WITH QUANTITIES OF CYCLOHEXYLAMINE AND SMALL AMOUNTS OF SOLUBLE BASE METAL SALTS OR COMPLEXES TO PROVIDE THE DESIRED ALLOY. A BUFFERING AGENT FOR STABILIZING THE PH OF THE BATH MAY ALSO BE INCORPORATED INTO THE BATH.
Inventors
- 👤 M Bick
- 👤 J Lochet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:09
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/62
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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |