Patent US3812019A successfully refreshed from Google Patents.
US3812019A
Expired / Lapsed
US
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Method of producing electric wiring arrangement
Assignee: ZF International UK Ltd
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Filing: 1972-07-14
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Granted: 1974-05-21
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Expires: 1992-07-14
Abstract
Abstract A METHOD OF PRODUCING AN ELECTRIC WIRING ARRANGEMENT OF THE KIND HAVING A PLURALITY OF CONDUCTORS FORMED AS THIN FILMS ON AN INSULATING BASE, AND WHEREIN THE CONDUCTORS CROSSES ONE ANOTHER AND ARE MUTUALLY INSULATED AT THE CROSSOVER POINT, INCLUDES FORMING CHANNELS IN THE BASE AT THE CROSSOVER POINTS, FILLING THE CHANNELS WITH CONDUCTIVE MATERIAL, APPLYING INSULATING MATERIAL WHICH COVERS PART OF THE MATERIAL IN THE CHANNEL AND EXTENDS ON TO THE ADJACENT INSULATING BASE, AND APPLYING A PATTERN OF CONDUCTIVE MATERIAL WHICH EXTENDS OVER THE INSULATING MATERIAL TO FORM THE CROSSOVER AND ALSO CONTACTS THE EXPOSED MATERIAL IN THE CHANNELS.
Inventors
- 👤 V Needham
- 👤 B Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:48
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/107; H05K3/46; H05K3/4685; H05K1/00; H05K1/02; H05K1/03; H05K1/05; H05K1/053; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0364; H05K2201/0376; H05K2201/09; H05K2201/09009; H05K2201/09036; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/0554; H05K2203/09; H05K2203/095; H05K3/02; H05K3/04; H05K3/046; H05K3/048; H05K3/14; H05K3/143; H05K3/38; H05K3/388
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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |