US3223986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory circuit
Assignee: NCR Voyix Corp
•
Filing: 1962-03-08
•
Granted: 1965-12-14
•
Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robert W Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/04; G11C7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
AN ELECTRICAL CIRCUIT COMPRISIN: FIRST AND SECOND CONDUCTORS, EACH OF SAID CONDUCTORS HAVING A MAGNETIC FLUX PATH CAPABLE OF ASSUMING TWO STABLE REMANENT FLUX STATES AND HAVING A REMANENT FLUX THEREIN; OUTPUT CIRCUIT MEANS COUPLED TO BOTH OF SAID CONDUCTORS; FIRST ENERGIZING MEANS INDIVIDUALLY COUPLED TO SAID ONE CONDUCTOR; SECOND ENERGIZING MEANS INDIVIDUALLY COUPLED TO THE REMAINING CONDUCTOR; AND MEANS FOR COINCIDENTALLY APPLYING OPPOSITE POLARITY CURRENT PULSES TO SAID FIRST AND SECOND ENERGIZING MEANS.
References Cited (Backward Citations)
US3067408A
Cited
US3000004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |