Patent US5594638A successfully refreshed from Google Patents.
Patent US3104377A successfully refreshed from Google Patents.
US3104377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage device
Assignee: TDK Micronas GmbH
•
Filing: 1958-04-02
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Granted: 1963-09-17
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Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Alexander Ben
- 👤 John F Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:47
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/22; H; H01; H01G; H01G7/00; H01G7/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A STORAGE CELL COMPRISING A LAYER OF FERROELECTRIC MATERIAL, A FIRST ELECTRODE DISPOSED ON ONE SIDE OF SAID MATERIAL, A SECOND ELECTRODE DISPOSED OPPOSITE SAID FIRST ELECTRODE ON THE OTHER SIDE OF SAID LAYER, SAID SECOND ELECTRODE CONSISTING OF A PLURALITY OF PROJECTING MEMBERS IN PARALLEL SPACED RELATION, A THIRD ELECTRODE CONSISTING OF A PLURALITY OF PROJECTING MEMBERS, SAID PROJECTING MEMBERS OF SAID THIRD ELECTRODE EXTENDING ADJACENT SAID MEMBERS OF SAID SECOND ELECTRODE ON THE SAME SIDE OF SAID LAYER WITH SAID PLURALITY OF MEMBERS OF SAID SECOND ELECTRODE BEING DISPOSED IN INTERLACED SPACED RELATION WITH SAID PLURALITY OF MEMBERS OF SAID THIRD ELECTRODE AND SAID FIRST ELECTRODE BEING IN UNDERLYING RELATION TO SAID SECOND AND THIRD ELECTRODES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |