Patent US3751343A successfully refreshed from Google Patents.
US3751343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush electroplating metal at increased rates of deposition
Assignee: Individual
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Filing: 1971-06-14
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Granted: 1973-08-07
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Expires: 1991-06-14
Abstract
Abstract AN IMPROVEMENT IN THE BRUSH ELECTROPLATING OF METAL IN WHICH APPRECIABLY INCREASED RATES OF METAL DEPOSITION ARE REALIZED AS COMPARED TO DEPOSITION RATES PREVIOUSLY OBTAINED. IN ONE FORM, THE PRESENT BRUSH APPARATUS INCLUDES A TOOL HAVING AN ANODE AND A POROUS DIELECTRIC COVER ON THE ANODE ADAPTED TO BE WET BY ELECTROLYTE AND MOVED OVER A WORKPIECE. DURING ELECTROPLATING OF METAL, RAPID RELATIVE MOVEMENT TAKES PLACE BETWEEN THE COVER AND THE ANODE AND PREFERABLY BETWEEN THE COVER AND BOTH THE ANODE AND THE CATHODE WORKPIECE.
Inventors
- 👤 A Macula
- 👤 J Macula
- 👤 B Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/10; C25D17/14; C25D5/00; C25D5/04; C25D5/06
Claims Analysis
Total Claims: 0
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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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |