US3132080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating method and apparatus
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1960-10-26
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Granted: 1964-05-05
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Cann Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:23
CPC Classifications
C; C25; C25D; C25D21/00; C25D21/12; C25D17/00; C25D17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF PROVIDING A UNIFORM DEPOSIT OF MATERIAL OVER AN AREA BEING ELECTROPLATED COMPRISING THE STEPS OF POSITIONING IN PLACE OF THE ARTICLE TO BE PLATED A PLURALITY OF INDIVIDUALS SECTIONS WHICH IN THE AGGREGATE HAVE A SIMILAR CONFIGURATION AND EXTENT TO THE ARTICLE TO BE PLATED, CONNECTING EACH OF THE INDIVIDUAL SECTIONS IN A SEPARATE CIRCUIT TO AN ELECTROPLATING CURRENT SOURCE, MEASURING ON AN INDIVIDUAL BASIS THE CURRENT AT EACHAT EACH OF THE SECTIONS, DETERMINING THE CURRENT DISTRIBUTION OVER THE EXTENT OF THE SECTIONALIZED ELECTRODE, MODIFYING THE CONFIGURATION AND POSITION OF THE OPPOSITELY DISPOSED ELECTRODE TO PROVIDE A UNIFORM CURRENT DISTRIBUTION OVER THE EXTENT OF THE SECTIONALIZED ELECTRODE, AND REPLACING THE SECTIONALIZED ELECTRODE WITH THE ARTICLE WHICH IS TO BE PLATED.
Claim 2
Independent Claim
123 words
A METHOD OF PROVIDING A UNIFORM DEPOSIT OF MATERIAL OVER AN AREA BEING ELECTROPLATED COMPRISING THE STEPS OF POSITIONING IN PLACE OF THE ARTICLE TO BE PLATED A PLURALITY OF INDIVIDUALS SECTIONS WHICH IN THE AGGREGATE HAVE A SIMILAR CONFIGURATION AND EXTENT TO THE ARTICLE TO BE PLATED, CONNECTING EACH OF THE INDIVIDUAL SECTIONS IN A SEPARATE CIRCUIT TO AN ELECTROPLATING CURRENT SOURCE, MEASURING ON AN INDIVIDUAL BASIS THE CURRENT AT EACHAT EACH OF THE SECTIONS, DETERMINING THE CURRENT DISTRIBUTION OVER THE EXTENT OF THE SECTIONALIZED ELECTRODE, MODIFYING THE CONFIGURATION AND POSITION OF THE OPPOSITELY DISPOSED ELECTRODE TO PROVIDE A UNIFORM CURRENT DISTRIBUTION OVER THE EXTENT OF THE SECTIONALIZED ELECTRODE, AND REPLACING THE SECTIONALIZED ELECTRODE WITH THE ARTICLE WHICH IS TO BE PLATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |