Patent US2459482A successfully refreshed from Google Patents.
Patent US3467952A successfully refreshed from Google Patents.
US3467952A
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Field effect transistor information storage circuit
Assignee: NEC Corp
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Filing: 1967-02-09
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Granted: 1969-09-16
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Expires: 1987-02-09
Abstract
No abstract record available.
Inventors
- 👤 Masamichi Shiraishi
- 👤 Hirohiko Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:22
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K3/356; H03K3/356017; H03K3/356052; H03K3/35606; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/41; G11C11/412; H10; H10B; H10B10/00; H10B10/15; H10D; H10D84/00; H10D84/40; H10D84/401; H10D84/403; H10P; H10P95/00; H10W; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/053; Y10S148/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |