Patent US3158798A successfully refreshed from Google Patents.
US3158798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical memory cell
Assignee: Individual
•
Filing: 1959-11-17
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Granted: 1964-11-24
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 William C Sauder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:31
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/22; G; G11; G11C; G11C13/00; G11C13/0002; G11C13/0009; G11C13/0011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A MEMORY UNIT PARTICULARLY ADAPTED FOR USE IN A COMPUTER CIRCUIT COMPRISING A CONTAINER, A PLURALITY OF ELECTROCHEMICAL CIRCUITS MOUNTED WITHIN SAID CONTAINER, SAID PLURALITY OF ELECTROCHEMICAL CIRCUITS BEING CAPABLE OF EXISTING IN EITHER ONE OF TWO DISTINCT POTENTIAL STATES, SAID PLURALITY OF ELECTROCHEMICAL CIRCUITS COMPRISING A PLURALITY OF SPACED METALLIC SWITCHING ELECTRODE MOUNTED TO EXTEND INTO SAID CONTAINER, A SINGLE METALLIC ELECTRODE SPACED FROM SAID SWITCHING ELECTRODES AND COMMON TO ALL OF SAID SWITCHING ELECTRODE, SAID ELECTRODE BEING MOUNTED TO EXTEND INTO SAID CONTAINER, SAID METAL OF SAID ELECTRODES BEING SELECTED FROM THE ELECTROMOTIVE SERIES, A METALLIC ION-CONTAINING ELECTROLYTIC SOLUTION, SAID ELECTROLYTIC SOLUTION COMPRISING A FIRST GROUP AND A SECOND GROUP OF METALLIC IONS, SAID FIRST GROUP OF METALLIC IONS BEING IN CONTACT WITH SAID PLURALITY FO SWITCHING ELECTRODES AND DIFFERENT FROM AND HAVING A HIGHER ELECTROMOTIVE ACTIVITY THAN THE METAL OF SAID PLURALITY OF SWITCHING ELECTRODES AND SAID SECOND GROUP OF METALLIC IONS BEING IN CONTACT WITH SAID SINGLE ELECTRODE AND SIMILAR TO THE METAL OF SAID SINGLE ELECTRODE, AND A POROUS MEMBRANE POSITIONED BETWEEN SAID PLURALITY OF SWITCHING ELECTRODES AND SAID ANGLE ELECTRODE IN ORDER TO MAINTAIN A SEPARATION THEREBETWEEN.
Claim 2
Dependent Claim
193 words
A MEMORY UNIT PARTICULARLY ADAPTED FOR USE IN A COMPUTER CIRCUIT COMPRISING A CONTAINER, A PLURALITY OF ELECTROCHEMICAL CIRCUITS MOUNTED WITHIN SAID CONTAINER, SAID PLURALITY OF ELECTROCHEMICAL CIRCUITS BEING CAPABLE OF EXISTING IN EITHER ONE OF TWO DISTINCT POTENTIAL STATES, SAID PLURALITY OF ELECTROCHEMICAL CIRCUITS COMPRISING A PLURALITY OF SPACED METALLIC SWITCHING ELECTRODE MOUNTED TO EXTEND INTO SAID CONTAINER, A SINGLE METALLIC ELECTRODE SPACED FROM SAID SWITCHING ELECTRODES AND COMMON TO ALL OF SAID SWITCHING ELECTRODE, SAID ELECTRODE BEING MOUNTED TO EXTEND INTO SAID CONTAINER, SAID METAL OF SAID ELECTRODES BEING SELECTED FROM THE ELECTROMOTIVE SERIES, A METALLIC ION-CONTAINING ELECTROLYTIC SOLUTION, SAID ELECTROLYTIC SOLUTION COMPRISING A FIRST GROUP AND A SECOND GROUP OF METALLIC IONS, SAID FIRST GROUP OF METALLIC IONS BEING IN CONTACT WITH SAID PLURALITY FO SWITCHING ELECTRODES AND DIFFERENT FROM AND HAVING A HIGHER ELECTROMOTIVE ACTIVITY THAN THE METAL OF SAID PLURALITY OF SWITCHING ELECTRODES AND SAID SECOND GROUP OF METALLIC IONS BEING IN CONTACT WITH SAID SINGLE ELECTRODE AND SIMILAR TO THE METAL OF SAID SINGLE ELECTRODE, AND A POROUS MEMBRANE POSITIONED BETWEEN SAID PLURALITY OF SWITCHING ELECTRODES AND SAID ANGLE ELECTRODE IN ORDER TO MAINTAIN A SEPARATION THEREBETWEEN.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |