Patent US3684572A successfully refreshed from Google Patents.
US3684572A
Expired / Lapsed
US
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Electroless nickel plating process for nonconductors
Assignee: EIDP Inc
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Filing: 1970-07-13
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Granted: 1972-08-15
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Expires: 1990-07-13
Abstract
Abstract THE USE OF A QUATERNARY AMINE SURFACTANT SOLUTION IN AN ELECTROLESS METAL PLATING PROCESS PRODUCES A UNIFORM COATING ON A NONCONDUCTOR SURFACE AND EXCELLENT SURFACE COVERAGE.
Inventors
- 👤 Kirman Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/208; C23C18/22; C23C18/26; C23C18/28
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |