Patent US2525942A successfully refreshed from Google Patents.
US2525942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodepositing bath and process
Assignee: Standard Oil Co
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Filing: 1945-06-29
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Granted: 1950-10-17
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Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Proell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:57
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTROPLAITNG BATH FOR THE ELECTRODEPOSITION OF A METAL ION COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION CONTAINING SAID METAL ION CAPABLE OF BEING DEPOSITED BY ELECTROLYSIS TO YIELD A NORMALLY SOLID ELECTRODEPOSIT, AN ALKANESULFONATE ION HAVING BETWEEN 1 AND 5 CARBON ATOMS IN THE AKYL GROUP AS THE PRINCIPAL ANION, THE CONCENTRATION OF THE METAL ALKANESULFONATE IN SAID SOLUTION BEING AT LEAST ABOUT 10 PERCENT BY WEIGHT AND NOT GREATER THAN THE SATURATION CONCENTRATION OF SAID ALKANESULFONATE IN SAID SOLUTION, AND BETWEEN ABOUT 0.01 AND 5% BASED ON SAID ALKANESULFONATE OF AN ALKANESULFONATE ION HAVING BETWEEN ABOUT 10 AND AOBUT 30 CARBON ATOMS IN THE ALKYL GROUP.
Claim 2
Dependent Claim
106 words
AN ELECTROPLAITNG BATH FOR THE ELECTRODEPOSITION OF A METAL ION COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION CONTAINING SAID METAL ION CAPABLE OF BEING DEPOSITED BY ELECTROLYSIS TO YIELD A NORMALLY SOLID ELECTRODEPOSIT, AN ALKANESULFONATE ION HAVING BETWEEN 1 AND 5 CARBON ATOMS IN THE AKYL GROUP AS THE PRINCIPAL ANION, THE CONCENTRATION OF THE METAL ALKANESULFONATE IN SAID SOLUTION BEING AT LEAST ABOUT 10 PERCENT BY WEIGHT AND NOT GREATER THAN THE SATURATION CONCENTRATION OF SAID ALKANESULFONATE IN SAID SOLUTION, AND BETWEEN ABOUT 0.01 AND 5% BASED ON SAID ALKANESULFONATE OF AN ALKANESULFONATE ION HAVING BETWEEN ABOUT 10 AND AOBUT 30 CARBON ATOMS IN THE ALKYL GROUP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |