Patent US3370277A successfully refreshed from Google Patents.
US3370277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage device
Assignee: International Standard Electric Corp
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Filing: 1959-10-09
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Granted: 1968-02-20
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jan Van Goethem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:59
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; G; G11; G11C; G11C17/00; G11C17/04; H03; H03M; H03M7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
AN INFORMATION STORAGE DEVICE COMPRISING A FIRST SET OF SUBSTANTIALLY PARALLEL ELECTRICAL CONDUCTORS, A SECOND SET OF SUBSTANTIALLY PARALLEL ELECTRICAL CONDUCTORS, ARRANGED SUBSTANTIALLY AT RIGHT ANGLES TO SAID FIRST SET SO AS TO FORM A COORDINGATE ARRAY OF CROSSPOINTS, EACH CROSSPOINT CONTAINING ONE CONDUCTOR OF SAID FIRST SET AND ONE CONDUCTOR OF SAID SECOND SET, A PLURALITY OF REMOVABLE UNITS, THERE BEING ONE FOR EACH ROW OF CROSSPOINTS, SAID REMOVABLE UNITS BEING INSERTABLE BETWEEN THE CONDUCTORS OF EACH CROSSPOINT IN THE ASSOCIATED ROW, SAID UNIT BEING POSITIONED CLOSELY SPACED FROM SAID CROSSPOINT CONDUCTORS, MEANS ON EACH OF SAID UNITS COOPERATING WITH AT LEAST SOME OF THE CROSSPOINTS IN THE ROW ASSOCIATED WITH THAT UNIT FOR ALTERING THE CAPACITY BETWEEN THE CONDUCTORS AT THOSE CROSSPOINTS SO THAT THE EFFECTIVE CAPACITIVE COUPLING OF EACH CROSSPOINT WILL ASSUME ONE OR THE OTHER OF TWO SUBSTANTIALLY DISTINCT VALUES, THE UNITS FOR ALTERING THE CAPACITY OF THE SAID CROSSPOINTS COMPRISING A PLATE OF DIELECTRIC MATERIAL AND A COMMON ELECTRODE MOUNTED ON THE REMOVABLE UNITS.
Claim 2
Dependent Claim
169 words
AN INFORMATION STORAGE DEVICE COMPRISING A FIRST SET OF SUBSTANTIALLY PARALLEL ELECTRICAL CONDUCTORS, A SECOND SET OF SUBSTANTIALLY PARALLEL ELECTRICAL CONDUCTORS, ARRANGED SUBSTANTIALLY AT RIGHT ANGLES TO SAID FIRST SET SO AS TO FORM A COORDINGATE ARRAY OF CROSSPOINTS, EACH CROSSPOINT CONTAINING ONE CONDUCTOR OF SAID FIRST SET AND ONE CONDUCTOR OF SAID SECOND SET, A PLURALITY OF REMOVABLE UNITS, THERE BEING ONE FOR EACH ROW OF CROSSPOINTS, SAID REMOVABLE UNITS BEING INSERTABLE BETWEEN THE CONDUCTORS OF EACH CROSSPOINT IN THE ASSOCIATED ROW, SAID UNIT BEING POSITIONED CLOSELY SPACED FROM SAID CROSSPOINT CONDUCTORS, MEANS ON EACH OF SAID UNITS COOPERATING WITH AT LEAST SOME OF THE CROSSPOINTS IN THE ROW ASSOCIATED WITH THAT UNIT FOR ALTERING THE CAPACITY BETWEEN THE CONDUCTORS AT THOSE CROSSPOINTS SO THAT THE EFFECTIVE CAPACITIVE COUPLING OF EACH CROSSPOINT WILL ASSUME ONE OR THE OTHER OF TWO SUBSTANTIALLY DISTINCT VALUES, THE UNITS FOR ALTERING THE CAPACITY OF THE SAID CROSSPOINTS COMPRISING A PLATE OF DIELECTRIC MATERIAL AND A COMMON ELECTRODE MOUNTED ON THE REMOVABLE UNITS.
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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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |