Patent US3081240A successfully refreshed from Google Patents.
US3081240A
Expired / Lapsed
US
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Acid copper electroplating baths
Assignee: DEBYDAG DEUTSCHE HYDRIERWERKE
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Filing: 1960-05-31
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Granted: 1963-03-12
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Strauss Wennemar
- 👤 Michael Gregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:41
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ACID COPPER PLATING BATH FOR PRODUCING BRIGHT COPPER ELECTRODEPOSITS IN LOWER CURRENT DENSITY RANGES WHICH COMPRISES AN AQUEOUS ACID SOLUTION CONTAINING AN INORGANIC COPPER SALT AND FROM ABOUT 0.001 TO 1 G./LITER OF BATH OF THIOFLAVIN.
Claim 2
Dependent Claim
37 words
AN ACID COPPER PLATING BATH FOR PRODUCING BRIGHT COPPER ELECTRODEPOSITS IN LOWER CURRENT DENSITY RANGES WHICH COMPRISES AN AQUEOUS ACID SOLUTION CONTAINING AN INORGANIC COPPER SALT AND FROM ABOUT 0.001 TO 1 G./LITER OF BATH OF THIOFLAVIN.
References Cited (Backward Citations)
US2663684A
Cited
US2842488A
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US2805194A
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US3000800A
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US2882209A
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US2950235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |