US2799633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and electrolyte for producing bright gold
Assignee: SEL REX PRECIOUS METALS Inc
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Filing: 1956-05-29
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Granted: 1957-07-16
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Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Rinker Edwin Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:40
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN THE ART OF FORMING A LAYER IN EXCESS OF .000005" THICKNESS OF BRIGHT GOLD CONTAINING ABOUT 0.1 TO 2% OF SILVER BY ELECTROLYTIC DEPOSITION, THE METHOD WHICH CONSISTS IN ELECTROLYZING AN ELECTROLYTE CONTAINING THE FOLLOWING COMPONENTS IN THE FOLLOWING PROPORTIONS DISSOLVED IN ONE LITER OF WATER:
Claim 2
Dependent Claim
47 words
IN THE ART OF FORMING A LAYER IN EXCESS OF .000005" THICKNESS OF BRIGHT GOLD CONTAINING ABOUT 0.1 TO 2% OF SILVER BY ELECTROLYTIC DEPOSITION, THE METHOD WHICH CONSISTS IN ELECTROLYZING AN ELECTROLYTE CONTAINING THE FOLLOWING COMPONENTS IN THE FOLLOWING PROPORTIONS DISSOLVED IN ONE LITER OF WATER:
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |