Patent US3648270A successfully refreshed from Google Patents.
US3092559A
Expired / Lapsed
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Gold plating
Assignee: Sel Rex Corp
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Filing: 1961-05-01
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Granted: 1963-06-04
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Foulke Donald Gardner
- 👤 Rinker Edwin Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:52
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
AN AQUEOUS ALKALI CYANIDE GOLD PLATING BATH CONTAINING ABOUT 4 TO 32 G./L. OF GOLD, ABOUT 0.04 TO 12 G./L. OF SILVER, ABOUT 10 TO 200 G./L. OF ALKALI CYANIDE AND ABOUT 0.05 TO 5 G./L. OF A WATER-SOLUBLE TITANIUM COMPOUND.
Claim 2
Dependent Claim
41 words
AN AQUEOUS ALKALI CYANIDE GOLD PLATING BATH CONTAINING ABOUT 4 TO 32 G./L. OF GOLD, ABOUT 0.04 TO 12 G./L. OF SILVER, ABOUT 10 TO 200 G./L. OF ALKALI CYANIDE AND ABOUT 0.05 TO 5 G./L. OF A WATER-SOLUBLE TITANIUM COMPOUND.
References Cited (Backward Citations)
USRE24582E
Cited
US1731212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |