US3395402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptive memory element
Assignee: MEMISTOR CORP
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Filing: 1965-05-27
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Granted: 1968-07-30
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Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Widrow Bernard
- 👤 Frick Gene
- 👤 Ronald H Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
G; G11; G11C; G11C27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A MEMORY ELEMENT COMPRISING A VITREOUS ENVELOPE HAVING A PREDETERMINED INTERNAL VOLUME, A PREDETERMINED VOLUME OF ELECTROLYTE DISPOSED IN SAID ENVELOPE, SAID VOLUME OF ELECTROLYTE BEING LESS THAN THE PREDETERMINED INTERNAL VOLUME OF THE ENVELOPE WHEREBY TO PROVIDE A POCKET IN SAID ENVELOPE TO ACCOMMODATE EXPANSION OF SAID ELECTROLYTE, SUBSTRATE LEADS SEALED TO AND EXTENDING INTO SAID VITREOUS ENVELOPE, SAID LEADS BEING ENCAPSULATED IN VITREOUS MATERIAL WITH ONLY THE END PORTIONS EXTENDING INTO THE ELECTROLYTE, A SUBSTRATE HAVING FIRST AND SECOND ENDS
Claim 2
Dependent Claim
82 words
A MEMORY ELEMENT COMPRISING A VITREOUS ENVELOPE HAVING A PREDETERMINED INTERNAL VOLUME, A PREDETERMINED VOLUME OF ELECTROLYTE DISPOSED IN SAID ENVELOPE, SAID VOLUME OF ELECTROLYTE BEING LESS THAN THE PREDETERMINED INTERNAL VOLUME OF THE ENVELOPE WHEREBY TO PROVIDE A POCKET IN SAID ENVELOPE TO ACCOMMODATE EXPANSION OF SAID ELECTROLYTE, SUBSTRATE LEADS SEALED TO AND EXTENDING INTO SAID VITREOUS ENVELOPE, SAID LEADS BEING ENCAPSULATED IN VITREOUS MATERIAL WITH ONLY THE END PORTIONS EXTENDING INTO THE ELECTROLYTE, A SUBSTRATE HAVING FIRST AND SECOND ENDS
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |