Patent US2067829A successfully refreshed from Google Patents.
US3684569A
Expired / Lapsed
US
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Process of producing conductive gold patterns
Assignee: EIDP Inc
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Filing: 1970-10-06
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Granted: 1972-08-15
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Expires: 1990-10-06
Abstract
Abstract GOLD PATTERNS ARE PRODUCED BY A PROCESS WHICH UTILIZES A COMBINATION OF STEPS INVOLVING HEAT AND ULTRAVIOLET LIGHT TREATMENTS. THE CONDUCTIVE GOLD PATTERNS CAN BE APPLIED ON VARIOUS INSULATING SUBSTRATES, SUCH AS GLASS AND VARIOUS CERAMIC MATERIALS.
Inventors
- 👤 Alvin A Milgram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:49
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/105; H05K3/02; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K2203/00; H05K2203/05; H05K2203/0502; H05K2203/0514; H05K2203/0548; H05K2203/056; H05K2203/12; H05K2203/121
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 |