US2859157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electroplating the interior surface of conductive material apertures
Assignee: Individual
•
Filing: 1956-10-04
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Granted: 1958-11-04
•
Expires: 1976-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr John S Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/04; Y; Y10; Y10S; Y10S204/00; Y10S204/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A METHOD OF ELECTROPLATING THE INTERIOR SURFACE OF AN APERTURE IN A CONDUCTIVE MATERIAL OBJECT COMPRISING THE STEPS OF LOCATING AN ANODE ADJACENT THE CENTER OF THE CROSS SECTIONAL AREA OF THE APERTURE, DIRECTING PLATING CURRENT OBLIQUELY TOWARD SAID OBJECT FROM SAID ANODE, SHIELDING SAID INTERIOR SURFACE AT AN AREA DISPLACED LONGITU-
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US1953955A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |