US3607381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray process for creating electrical circuits
Assignee: Platron Corp
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Filing: 1968-06-14
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Granted: 1971-09-21
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Expires: 1988-06-14
Abstract
Abstract Electrically conductive pathways are applied to a metallic base by means of the plasma flame spray process, which process is also employed to apply an intermediate layer of ceramic insulation. The conductor pattern is formed into a kaolin template through which the powdered copper conductor material is sprayed.
Inventors
- 👤 Thomas Edward Fairbairn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:37
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/14; C; C23; C23C; C23C4/00; C23C4/01; H05K1/00; H05K1/02; H05K1/03; H05K1/05; H05K1/053; H05K2203/00; H05K2203/13; H05K2203/1333; H05K2203/1344
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
The method of claim 1 wherein said paper template is pretreated on both sides by the application of a ceramic coating by means of the plasma flame spray process.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |