US2898274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of zinc-tin alloys
Assignee: GTE Sylvania Inc
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Filing: 1955-08-08
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Granted: 1959-08-04
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Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Edward B Saubestre
- 👤 Arnold D Arnaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:10
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A CYANIDE-TYPE OF PLATING BATH FOR DEPOSITING A ZINC-TIN ALLOY COMPRISING IN SOLUTION ZINC, TIN, A CYANIDE ION SOURCE AND A HYDROXIDE ION SOURCE, THE CYANIDE ION BEING PRESENT IN AN AMOUNT LESS THAN THAT REQUIRED TO COMPLEX ALL OF THE ZINC AS CYANOZINCATE ION, THE TOTAL AMOUNT OF CYANIDE ION AND HYDROXIDE ION BEING SUFFICIENT TO COMPLEX ALL OF THE ZINC.
Claim 2
Dependent Claim
62 words
A CYANIDE-TYPE OF PLATING BATH FOR DEPOSITING A ZINC-TIN ALLOY COMPRISING IN SOLUTION ZINC, TIN, A CYANIDE ION SOURCE AND A HYDROXIDE ION SOURCE, THE CYANIDE ION BEING PRESENT IN AN AMOUNT LESS THAN THAT REQUIRED TO COMPLEX ALL OF THE ZINC AS CYANOZINCATE ION, THE TOTAL AMOUNT OF CYANIDE ION AND HYDROXIDE ION BEING SUFFICIENT TO COMPLEX ALL OF THE ZINC.
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |