US2890418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear semi-conductor signal translating circuits
Assignee: RCA Corp
•
Filing: 1953-09-18
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Granted: 1959-06-09
•
Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
- 👤 Zawels Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:55
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1343306A
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US2101438A
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US2171151A
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US2429755A
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US2486776A
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US2713665A
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US2666819A
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US2791644A
Cited
US2762870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |