US2744859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating method and system
Assignee: Individual
•
Filing: 1951-02-20
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Granted: 1956-05-08
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Expires: 1971-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Rines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:59
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF ELECTROPLATING AN ARTICLE DISPOSED WITH AN ELECTRODE IN AN ELECTROPLATING SOLUTION THAT COMPRISES PRODUCING A POTENTIAL OF MAGNITUDE LESS THAN THE ELECTROPLATING POTENTIAL BETWEEN THE ELECTRODE AND THE ARTICLE, PRODUCING AN ELECTRON STREAM IN A CATHODE-RAY ENVELOPE PROVIDED WITH A WALL COMPRISING A CONDUCTING LAYER, DISPOSING THE WALL CLOSE TO THE ARTICLE IMPINGING THE ELECTRON STREAM ON SELECTED REGIONS OF THE WALL, AND ADJUSTING THE INTENSITY OF THE IMPINGED ELECTRON STREAM TO CONTROL THE PLATING OF THE ARTICLE AT THE SAID REGIONS.
Claim 2
Independent Claim
85 words
A METHOD OF ELECTROPLATING AN ARTICLE DISPOSED WITH AN ELECTRODE IN AN ELECTROPLATING SOLUTION THAT COMPRISES PRODUCING A POTENTIAL OF MAGNITUDE LESS THAN THE ELECTROPLATING POTENTIAL BETWEEN THE ELECTRODE AND THE ARTICLE, PRODUCING AN ELECTRON STREAM IN A CATHODE-RAY ENVELOPE PROVIDED WITH A WALL COMPRISING A CONDUCTING LAYER, DISPOSING THE WALL CLOSE TO THE ARTICLE IMPINGING THE ELECTRON STREAM ON SELECTED REGIONS OF THE WALL, AND ADJUSTING THE INTENSITY OF THE IMPINGED ELECTRON STREAM TO CONTROL THE PLATING OF THE ARTICLE AT THE SAID REGIONS.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |