US3414493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of copper
Assignee: Shipley Co Inc
•
Filing: 1965-10-19
•
Granted: 1968-12-03
•
Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Fred I Nobel
- 👤 Barnet D Ostrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:53
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS FOR PRODUCING BRIGHT AND SMOOTH COPPER DEPOSITS WHICH COMPRISES ELECTRODEPOSITING COPPER FROM AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE COPPER SALT IN WHICH THERE IS DISSOLVED A WATER SOLUBLE BRIGHTENER HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
37 words
A PROCESS FOR PRODUCING BRIGHT AND SMOOTH COPPER DEPOSITS WHICH COMPRISES ELECTRODEPOSITING COPPER FROM AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE COPPER SALT IN WHICH THERE IS DISSOLVED A WATER SOLUBLE BRIGHTENER HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
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Cited
US2907786A
Cited
US2910413A
Cited
US3101305A
Cited
US3051634A
Cited
US3203878A
Cited
US3276979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |