US3172083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic memory
Assignee: International Business Machines Corp
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Filing: 1962-01-12
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Granted: 1965-03-02
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Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Gregory Constantine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:40
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/18; C25D21/00; C25D21/12; G; G11; G11C; G11C13/00; G11C13/0002; G11C13/0009; G11C13/0011
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
IN AN ELECTROLYTIC STORAGE DEVICE HAVING A FIRST AND SECOND INERT ELECTRODES SUBMERGED IN AN ELECTROLYTIC SOLUTION CONTAINING AT LEAST THE SALT OF A METAL AND HAVING THE PROPERTY THAT A CERTAIN THRESHOLD VOLTAGE MUST BE EXCEEDED BETWEEN SAID ELECTRODES BEFORE PLATING OF THE METAL FROM THE ELECTROLYTIC SOLUTION ONTO THE MORE NEGATIVE ELECTRODE WILL OCCUR, THE COMBINATION COMPRISING: A FIRST VOLTAGE SOURCE FOR PRODUCING A VOLTAGE GREATER THAN SAID THRESHOLD VOLTAGE; A SECOND VOLTAGE SOURCE FOR PRODUCING A VOLTAGE LESS THAN SAID THRESHOLD VOLTAGE; MEANS FOR CONNECTING SAID FIRST VOLTAGE SOURCE TO SAID FIRST ELECTRODE SO THAT METAL IS CAUSED TO BE PLATED OUT OF SAID ELECTROLYTIC SOLUTION ONTO SAID FIRST ELECTRODE; AND MEANS FOR CONNECTING SAID SECOND VOLTAGE SOURCE TO SAID SECOND ELECTRODE SO THAT METAL IS CAUSED TO BE PLATED ONTO SAID SECOND ELECTRODE ONLY IF SAID FIRST ELECTRODE HAS METAL PLATED ON IT.
References Cited (Backward Citations)
US2791473A
Cited
US3017612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |