Patent US3411148A successfully refreshed from Google Patents.
US3411148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitive fixed memory system
Assignee: General Electric Co
•
Filing: 1967-10-06
•
Granted: 1968-11-12
•
Expires: 1987-10-06
Abstract
No abstract record available.
Inventors
- 👤 Harry D Fetterolf
- 👤 Beuford E Tindal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/04; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2427144A
Cited
US2988839A
Cited
US3042591A
Cited
US3191098A
Cited
US3144641A
Cited
US3183490A
Cited
US3293353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |