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Patent US2915646A successfully refreshed from Google Patents.
US2915646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices and system
Assignee: RCA Corp
•
Filing: 1953-12-04
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Granted: 1959-12-01
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Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Kurshan Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:16
CPC Classifications
H; H10; H10D; H10D99/00; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2524035A
Cited
US2476323A
Cited
US2672528A
Cited
US2586080A
Cited
US2561411A
Cited
US2679619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |