Patent US2941090A successfully refreshed from Google Patents.
US2941090A
Expired / Lapsed
US
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Signal-responsive circuits
Assignee: RCA Corp
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Filing: 1957-01-31
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Granted: 1960-06-14
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Lo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:02
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/24; G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 0
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |