US3219560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and bath for electrolytic copper deposition
Assignee: Allied Res Products Inc
•
Filing: 1961-10-12
•
Granted: 1965-11-23
•
Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Leenders Peter
- 👤 Hans G Creutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:18
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; C25D3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN AQUEOUS ALKALINE CYANIDE COPPER LPLATING SOLUTION CONSISTING ESSENTIALLY OF 20 TO 75 GRAMS PER LITER OF COPPER CYANIDE, 40 145 GRAMS PER LITER OF AN ALKALI METAL CYANIDE AND 1 TO 100 GRAMS PER LITER OF ALKALI METAL SALT OF SUGAR HEPTANOIC ACID.
Claim 2
Dependent Claim
44 words
AN AQUEOUS ALKALINE CYANIDE COPPER LPLATING SOLUTION CONSISTING ESSENTIALLY OF 20 TO 75 GRAMS PER LITER OF COPPER CYANIDE, 40 145 GRAMS PER LITER OF AN ALKALI METAL CYANIDE AND 1 TO 100 GRAMS PER LITER OF ALKALI METAL SALT OF SUGAR HEPTANOIC ACID.
References Cited (Backward Citations)
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US2861928A
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US2881211A
Cited
US2840605A
Cited
US2861929A
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US3030281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |