Patent US3024692A successfully refreshed from Google Patents.
US3370204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite insulator-semiconductor wafer
Assignee: RCA Corp
•
Filing: 1966-08-09
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Granted: 1968-02-20
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Expires: 1986-08-09
Abstract
No abstract record available.
Inventors
- 👤 Eric F Cave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:09
CPC Classifications
H; H10; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/014; H10W10/021; H10W10/10; H10W10/17; H10W10/20; H10W90/00; Y; Y10; Y10S; Y10S148/00; Y10S148/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3173101A
Cited
US3235428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |