US3514765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sense amplifier comprising cross coupled mosfet's operating in a race mode for single device per bit mosfet memories
Assignee: Shell USA Inc
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Filing: 1969-05-23
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Granted: 1970-05-26
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Expires: 1989-05-23
Abstract
No abstract record available.
Inventors
- 👤 Alton O Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:37
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/401; G11C11/4063; G11C11/407; G11C11/409; G11C11/4094; G11C11/403; G11C11/404; G11C11/4091; H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K3/356; H03K3/356017; H03K3/356052; H03K3/35606
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |