Patent US2847529A successfully refreshed from Google Patents.
Patent US3150356A successfully refreshed from Google Patents.
US3150356A
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Assignee: International Business Machines Corp
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Filing: 1961-12-22
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Granted: 1964-09-22
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G02; G02F; G02F1/00; G02F1/01; G02F1/09; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/375; G11; G11C; G11C13/00; G11C13/04; G11C13/06; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/7805; G09G2300/00; G09G2300/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A MAGNETIC STORAGE DEVICE, COMPRISING: A PLANE OF MAGNETICALLY RETENTIVE MATERIAL; FIRST CURRENT CONDUCTING MEANS FOR CONDUCTING A PLURALITY OF ELECTRICAL CURRENTS IN A PLANE PARALLEL TO THE PLANE OF SAID MAGNETICALLY RETENTIVE MATERIAL IN A FIRST DIRECTION; SECOND CURRENT CONDUCTING MEANS FOR CONDUCTING A PLURALITY OF ELECTRICAL CURRENTS IN A PLANE PARALLEL WITH SAID MAGNETICALLY RETENTIVE MATERIAL IN A SECOND DIRECTION, SAID SECOND DIRECTION BEING AT AN ANGLE WITH RESPECT TO SAID FIRST DIRECTION, SAID FIRST AND SECOND CURRENT CONDUCTING MEANS THEREBY DEFINING A PLURALITY OF DISCRETE AREAS TO POINTS AT WHICH THEY CROSS, EACH DISCRETE AREA INCLUDING A PLURALITY OF QUADRANTS DEFINED BY THE CROSSING; CURRENT SOURCE MEANS FOR GENERATING A PLURALITY OF ELECTRICAL CURRENTS OF FIRST AND SECOND POLARITY;
Claim 2
Dependent Claim
122 words
A MAGNETIC STORAGE DEVICE, COMPRISING: A PLANE OF MAGNETICALLY RETENTIVE MATERIAL; FIRST CURRENT CONDUCTING MEANS FOR CONDUCTING A PLURALITY OF ELECTRICAL CURRENTS IN A PLANE PARALLEL TO THE PLANE OF SAID MAGNETICALLY RETENTIVE MATERIAL IN A FIRST DIRECTION; SECOND CURRENT CONDUCTING MEANS FOR CONDUCTING A PLURALITY OF ELECTRICAL CURRENTS IN A PLANE PARALLEL WITH SAID MAGNETICALLY RETENTIVE MATERIAL IN A SECOND DIRECTION, SAID SECOND DIRECTION BEING AT AN ANGLE WITH RESPECT TO SAID FIRST DIRECTION, SAID FIRST AND SECOND CURRENT CONDUCTING MEANS THEREBY DEFINING A PLURALITY OF DISCRETE AREAS TO POINTS AT WHICH THEY CROSS, EACH DISCRETE AREA INCLUDING A PLURALITY OF QUADRANTS DEFINED BY THE CROSSING; CURRENT SOURCE MEANS FOR GENERATING A PLURALITY OF ELECTRICAL CURRENTS OF FIRST AND SECOND POLARITY;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |