US3149313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrite matrix storage device
Assignee: International Standard Electric Corp
•
Filing: 1958-07-15
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Granted: 1964-09-15
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Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Merz Gerhard
- 👤 Reiner Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:50
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035; G11C11/06042; H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04L; H04L13/00; H04L13/02; H04L13/08; H04Q; H04Q3/00; H04Q3/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A FERRITE MATRIX STORAGE DEVICE COMPRISING A COORDINATE ARRAY OF STORAGE ELEMENTS ARRANGED IN ROWS AND COLUMNS, LINE SELECTING WIRES INDIVIDUALLY ASSOCIATED WITH SAID ROWS, ALTERNATE ONES OF SAID LINE WIRES THREADING THE ELEMENTS IN SAID ASSOCIATED ROWS IN DIFFERENT MAGNETIC SENSES, COLUMN SELECTING WIRES INDIVIDUALLY ASSOCIATED WITH SAID COLUMNS, SAID COLUMN WIRES BEING CONNECTED IN PAIRS FOR SIMULTANEOUSLY DRIVING THE ELEMENTS IN THE ASSOCIATED PAIRS OF COLUMNS IN OPPOSITE MAGNETIC SENSES DURING READ OUT OF AN ELEMENT IN ONE COLUMN OF A PAIR OF COLUMNS, AND A COMMON READOUT WIRE THREADING SEQUENTIALLY THROUGH ALL OF SAID ROWS IN THE SAME SENSE AS THE SAID ROW WIRES THREADING THE SAID ROWS.
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |