Patent US3175199A successfully refreshed from Google Patents.
US3175199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage apparatus
Assignee: International Business Machines Corp
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Filing: 1958-10-27
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Granted: 1965-03-23
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Kilburn Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN INFORMATION STORE COMPRISING A FIRST PLURALITY OF SETS OF SPACED GO AND RETURN CONDUCTORS EACH FORMING AN ELONGATED INDUCTIVE LOOP EXTENDING IN ONE DIRECTION, A SECOND PLURALITY OF SETS OF SPACED GO AND RETURN CONDUCTORS EACH FORMING AN ELONGATED INDUCTIVE LOOP EXTENDING IN A TRANSVERSE DIRECTION TO DEFINE A MESH OF APERTURES AT THE INTERSECTIONS WITH THE LOOPS OF SAID FIRST PLURALITY, THE INTERSECTING LOOPS DEFINING THE COUPLING BETWEEN RESPECTIVE APERTURES, A MAGNETIC COUPLING MEMBER IN AT LEAST ONE ARBITRARILY-SELECTED ONE OF SAID APERTURES COUPLING TOGETHER THE LOOP OF SAID FIRST PLURALITY WITH THE LOOP OF SAID SECOND PLURALITY DEFINING SAID ARBITRARILYSELECTED APERTURE, A RECTANGULAR FRAME INCORPORATING A CO-ORDINATE ARRAY OF HOLES THROUGH THE FRAME TO CORRESPOND WITH THE APERTURE OF SAID MESH AND TO RECEIVE SAID
Claim 2
Dependent Claim
128 words
AN INFORMATION STORE COMPRISING A FIRST PLURALITY OF SETS OF SPACED GO AND RETURN CONDUCTORS EACH FORMING AN ELONGATED INDUCTIVE LOOP EXTENDING IN ONE DIRECTION, A SECOND PLURALITY OF SETS OF SPACED GO AND RETURN CONDUCTORS EACH FORMING AN ELONGATED INDUCTIVE LOOP EXTENDING IN A TRANSVERSE DIRECTION TO DEFINE A MESH OF APERTURES AT THE INTERSECTIONS WITH THE LOOPS OF SAID FIRST PLURALITY, THE INTERSECTING LOOPS DEFINING THE COUPLING BETWEEN RESPECTIVE APERTURES, A MAGNETIC COUPLING MEMBER IN AT LEAST ONE ARBITRARILY-SELECTED ONE OF SAID APERTURES COUPLING TOGETHER THE LOOP OF SAID FIRST PLURALITY WITH THE LOOP OF SAID SECOND PLURALITY DEFINING SAID ARBITRARILYSELECTED APERTURE, A RECTANGULAR FRAME INCORPORATING A CO-ORDINATE ARRAY OF HOLES THROUGH THE FRAME TO CORRESPOND WITH THE APERTURE OF SAID MESH AND TO RECEIVE SAID
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |