US3163854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic flux transfer in core systems
Assignee: TE Connectivity Corp
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Filing: 1959-10-30
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Granted: 1964-12-29
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Douglas C Engelbart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:29
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/06; H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/82
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A MAGNETIC REMANENCE TRANSFER SYSTEM INCLUDING A FIRST AND SECOND MAGNETIC CORE EACH HAVING TWO STATES OF MAGNETIC REMANENCE AND BEING DRIVABLE FROM ONE TO THE OTHER THEREOF, EACH CORE BEING TOROIDAL IN SHAPE AND HAVING A MAIN APERTURE, A TRANSMIT APERTURE, AND A RECEIVE APERTURE, A THIRD TOROIDAL CORE HAVING A MAIN APERTURE, A CLOSED-LOOP TRANSFER WINDING THREADED THROUGH SAID FIRST CORE TRANSMIT APERTURE, SAID SECOND CORE RECEIVE APERTURE AND SAID THIRD CORE MAIN APERTURE, AND MEANS FOR APPLYING TRANSFER CURRENT TO SAID CLOSED-LOOP TRANSFER WINDING FOR DRIVING SAID SECOND CORE TO THE SAME STATE
References Cited (Backward Citations)
US2683819A
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US2781503A
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US2784390A
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US2805408A
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US3032748A
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US2935739A
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US3053993A
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US3077585A
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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) | 1967-12-29 | 1968-06-29 | 1968-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-29 | 1972-06-29 | 1972-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-29 | 1976-06-29 | 1976-12-29 | $7700.00 | Window Closed / Lapsed |