US2886500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of copper alloys
Assignee: Battelle Development Corp
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Filing: 1956-11-01
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Granted: 1959-05-12
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 John E Bride
- 👤 Charles L Faust
- 👤 William H Safranek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:21
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR ELECTRODEPOSITING A COPPER-TIN ALLOY COMPRISING: PASSING AN ELECTRIC CURRENT THROUGH A BATH WHICH CONSISTS ESSENTIALLY OF: AT LEAST ONE PYROPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIM, AND AT LEAST ONE CYANIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND AMAT LEAST ONE STANNOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFATE, CHLORIDE, AT LEAST ONE STANNATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, A LEAD COMPOUND IN AN AMOUNT EQUIVALENT SAID TOTAL AMOUNT OF TIN COMPOUNDS BEING WITHIN THE EQUIVALENT RANGE OF FROM 2 TO 50 GRAMS PER LITER OF THE STANOUS SALT.
Claim 2
Dependent Claim
101 words
A PROCESS FOR ELECTRODEPOSITING A COPPER-TIN ALLOY COMPRISING: PASSING AN ELECTRIC CURRENT THROUGH A BATH WHICH CONSISTS ESSENTIALLY OF: AT LEAST ONE PYROPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIM, AND AT LEAST ONE CYANIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND AMAT LEAST ONE STANNOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFATE, CHLORIDE, AT LEAST ONE STANNATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, A LEAD COMPOUND IN AN AMOUNT EQUIVALENT SAID TOTAL AMOUNT OF TIN COMPOUNDS BEING WITHIN THE EQUIVALENT RANGE OF FROM 2 TO 50 GRAMS PER LITER OF THE STANOUS SALT.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |