Patent US3672986A successfully refreshed from Google Patents.
US3672986A
Expired / Lapsed
US
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Metallization of insulating substrates
Assignee: DAY CO NV
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Filing: 1969-12-19
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Granted: 1972-06-27
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Expires: 1989-12-19
Abstract
Abstract A BLANK FOR THE PRODUCTION OF METALLIZED ARTICLES IS PROVIDED, WHICH COMPRISES AN INSULATING BASE WHICH IS CATALYTIC THROUGHOUT ITS INTERIOR TO THE RECEPTION OF ELECTROLESS METAL, AND A SURFACE ON SAID BASE HAVING SUPER-IMPOSED THEREON AND ADHERED THERETO A UNITARY THIN FILM OF METAL. IN ADDITION, METHODS FOR METALLIZING PLASTICS AND FORMING PLATED THROUGH HOLE PRINTED CIRCUIT BOARDS ARE ALSO PROVIDED.
Inventors
- 👤 Frederick W Schneble Jr
- 👤 John F Mccormack
- 👤 Rudolph J Zeblisky
- 👤 John Duff Williamson
- 👤 Joseph Polichette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:32
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/42; H05K3/425; H05K3/427; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0373; H05K3/10; H05K3/108; H05K3/428; H05K1/036; H05K2201/00; H05K2201/02; H05K2201/0203; H05K2201/0206; H05K2201/0236; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09581; H05K2203/00; H05K2203/13; H05K2203/1377; H05K2203/1383; H05K3/18; H05K3/181; H05K3/182; H05K3/184; H05K3/22; H05K3/28; H05K3/46; H05K3/4644; H05K3/4661; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/24802; Y10T428/24917; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
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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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |