US3130072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver-palladium immersion plating composition and process
Assignee: Sel Rex Corp
•
Filing: 1961-09-22
•
Granted: 1964-04-21
•
Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 Duva Robert
- 👤 Foulke Donald Gardner
- 👤 Brenneman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:54
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AS A COMPOSITION FOR CHEMICALLY DEPOSITING SILVER AN AQUEOUS SOLUTION HAVING A PH OF 8-10 AND COMPRISING 0.5-30 G./L. OF A SOLUBLE SILVER CYANIDE AND 0.01 TO 30 G./L. OF A SOLUBLE PALLADOUS SALT.
Claim 2
Dependent Claim
34 words
AS A COMPOSITION FOR CHEMICALLY DEPOSITING SILVER AN AQUEOUS SOLUTION HAVING A PH OF 8-10 AND COMPRISING 0.5-30 G./L. OF A SOLUBLE SILVER CYANIDE AND 0.01 TO 30 G./L. OF A SOLUBLE PALLADOUS SALT.
References Cited (Backward Citations)
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US2719821A
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US2958610A
Cited
US2915406A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |