Patent US3118133A successfully refreshed from Google Patents.
US3118133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage matrix utilizing a dielectric of pressure changeable permittivity
Assignee: AT&T Inc
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Filing: 1960-04-05
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Granted: 1964-01-14
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Thrygve R Meeker
- 👤 Henry L Stadler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A PLURALITY OF CAPACITORS EACH HAVING A PAIR OF ELECTRODES SEPARATED BY A DIELECTRIC MATERIAL OF PRESSURE CHANGEABLE PERMITTIVITY, MEANS FOR STORING INFORMATION IN SAID PLURALITY OF CAPACITORS, SAID MEANS INCLUDING STRUCTURAL MEANS COMMON TO SAID PLURALITY OF CAPACITORS FOR APPLYING PRESELECTED PRESSURES TO THE DIELECTRIC MATERIAL OF PARTICULAR ONES OF SAID PLURALITY OF CAPACITORS IN ACCORDANCE WITH INFORMATION DESIRED TO BE STORED CORRESPONDINGLY TO CHANGE THE PERMITTIVITY OF THE DIELECTRIC OF SAID CAPACITORS AND THEREBY TO ESTABLISH AT LEAST TWO LEVELS OF CAPACITANCES IN SAID PLURALITY OF CAPACITORS, SAID STRUCTURAL MEANS FURTHER INCLUDING CHANGEABLE CARD MEANS FOR GOVERNING THE AMOUNT OF PRESSURE APPLIED TO THE DIELECTRICS OF SAID CAPACITORS, AND MEANS FOR READING OUT SAID STORED INFORMATION AT DIFFERENT LEVELS OF PERMITTIVITY BY SENSING LEVELS OF CAPACITANCES BETWEEN SAID PAIRS OF ELECTRODES OF SAID PLURALITY OF CAPACITORS, SAID SENSING MEANS INCLUDING MEANS FOR APPLYING A PREDETERMINED PULSE TO SAID PAIRS OF ELEC-
Claim 2
Dependent Claim
158 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A PLURALITY OF CAPACITORS EACH HAVING A PAIR OF ELECTRODES SEPARATED BY A DIELECTRIC MATERIAL OF PRESSURE CHANGEABLE PERMITTIVITY, MEANS FOR STORING INFORMATION IN SAID PLURALITY OF CAPACITORS, SAID MEANS INCLUDING STRUCTURAL MEANS COMMON TO SAID PLURALITY OF CAPACITORS FOR APPLYING PRESELECTED PRESSURES TO THE DIELECTRIC MATERIAL OF PARTICULAR ONES OF SAID PLURALITY OF CAPACITORS IN ACCORDANCE WITH INFORMATION DESIRED TO BE STORED CORRESPONDINGLY TO CHANGE THE PERMITTIVITY OF THE DIELECTRIC OF SAID CAPACITORS AND THEREBY TO ESTABLISH AT LEAST TWO LEVELS OF CAPACITANCES IN SAID PLURALITY OF CAPACITORS, SAID STRUCTURAL MEANS FURTHER INCLUDING CHANGEABLE CARD MEANS FOR GOVERNING THE AMOUNT OF PRESSURE APPLIED TO THE DIELECTRICS OF SAID CAPACITORS, AND MEANS FOR READING OUT SAID STORED INFORMATION AT DIFFERENT LEVELS OF PERMITTIVITY BY SENSING LEVELS OF CAPACITANCES BETWEEN SAID PAIRS OF ELECTRODES OF SAID PLURALITY OF CAPACITORS, SAID SENSING MEANS INCLUDING MEANS FOR APPLYING A PREDETERMINED PULSE TO SAID PAIRS OF ELEC-
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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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |