US3354442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferroelectric switching circuits
Assignee: RCA Corp
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Filing: 1964-03-10
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Granted: 1967-11-21
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Fatuzzo Ennio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A SWITCHING CIRCUIT COMPRISING, IN COMBINATION: A PREFERRED FIRST PATH FOR THE FLOW OF CHARGE INCLUDING A FIRST FERROELECTRIC STORAGE ELEMENT; A NONPREFERRED SECOND PATH FOR THE FLOW OF CHARGE IN PARALLEL WITH THE FIRST PATH AND INCLUDING A SECOND FERROELECTRIC ELEMENT POLARIZED IN THE SAME DIRECTION AS THE FIRST FERROELECTRIC ELEMENT AND ALSO INCLUDING THE WINDING OF A MAGNETIC CORE; MEANS FOR CHANGING THE STATUS OF THE SECOND PATH TO ONE WHICH IS PREFERRED FOR THE FLOW OF CHARGE OVER THE FIRST PATH COMPRISING MEANS FOR SWITCHING THE MAGNETIZATION OF SAID CORE; AND MEANS FOR APPLYING A CHARGE TO THE TWO PATHS IN A SENSE TO TEND TO SWITCH THE POLARIZATION OF SAID FERROELECTRIC ELEMENTS CONCURRENTLY WITH THE SWITCHING OF SAID CORE.
References Cited (Backward Citations)
US3179926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |