US2846381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrolytically depositing smooth layers of tin
Assignee: Dr Ing Max Schloetter GmbH and Co KG
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Filing: 1957-01-10
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Granted: 1958-08-05
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Expires: 1977-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frick Wolfgang
- 👤 Geldbach Alfred
- 👤 Korpiun Joachim
- 👤 Sedlacek Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:26
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/30; C25D3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN THE ELECTROLYTIC DEPOSITION OF TIN AS A SMOOTH LAYER, THE STEP COMPRISING DEPOSITING SAID TIN FROM AN ACID TIN ELECTROLYTE WHICH CONTAINS A FLAVONOL COMPOUND IN AN AMOUNT SUFFICIENT TO CAUSE DEPOSITION OF A SMOOTH TIN LAYER AND IMPROVEMENT OF THE THROWING POWER OF THE ELECTROLYTE ON OPERATION AT LOW VOLTAGES WITH HIGH CURRENT DENSITIES.
Claim 2
Dependent Claim
56 words
IN THE ELECTROLYTIC DEPOSITION OF TIN AS A SMOOTH LAYER, THE STEP COMPRISING DEPOSITING SAID TIN FROM AN ACID TIN ELECTROLYTE WHICH CONTAINS A FLAVONOL COMPOUND IN AN AMOUNT SUFFICIENT TO CAUSE DEPOSITION OF A SMOOTH TIN LAYER AND IMPROVEMENT OF THE THROWING POWER OF THE ELECTROLYTE ON OPERATION AT LOW VOLTAGES WITH HIGH CURRENT DENSITIES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |