US3576722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for metalizing ceramics
Assignee: Bendix Corp
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Filing: 1969-03-26
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Granted: 1971-04-27
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Expires: 1989-03-26
Abstract
Abstract AND A FINAL ELECTROCONDUCTIVE METAL IS APPLIED OVER THE PATTERN. BY USING SELECTIVE ETCHANTS ALL METALS OUTSIDE OF THE PATTERN ARE REMOVED TO EXPOSE THE SUBSTRATE. A METHOD FOR APPLYING INTRICATE ELECTROCONDUCTIVE METALLIC PATTERNS TO A CERAMIC SUBSTRATE. A REFRACTORY METAL IS APPLIED TO THE SUBSTRATE, AND OVER WHICH REFRACTORY METAL ARE APPLIED SUCCESSIVE LAYERS OF A PRIMARY ELECTROCONDUCTIVE METAL. A PATTERN IS APPLIED TO THE PRIMARY METAL
Inventors
- 👤 Ellsworth M Fennimore
- 👤 Gerardo A Ritacco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:28
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; H; H05; H05K; H05K3/00; H05K3/10; H05K3/108; H05K3/38; H05K3/388; H05K1/00; H05K1/02; H05K1/03; H05K1/0306; H05K2203/00; H05K2203/11; H05K2203/1105; H05K3/02; H05K3/06; H05K3/061; H05K3/062
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |