Patent US2077439A successfully refreshed from Google Patents.
US3404387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory system having improved electrical termination of conductors
Assignee: RCA Corp
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Filing: 1964-10-16
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Granted: 1968-10-01
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Amemiya Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A MEMORY COMPRISING A PLURALITY OF WORD CONDUCTORS, A PLURALITY OF DIGIT CONDUCTOR PAIRS ARRANGED TRANSVERSE TO SAID WORD CONDUCTORS, MEMORY ELEMENTS LOCATED AT AT LEAST SOME OF THE CROSSOVERS OF WORD AND DIGIT CONDUCTORS, DIGIT DRIVERS AND A DIFFERENTIAL SENSE AMPLIFIER COUPLED TO EACH DIGIT CONDUCTOR PAIR, AND
Claim 2
Dependent Claim
49 words
A MEMORY COMPRISING A PLURALITY OF WORD CONDUCTORS, A PLURALITY OF DIGIT CONDUCTOR PAIRS ARRANGED TRANSVERSE TO SAID WORD CONDUCTORS, MEMORY ELEMENTS LOCATED AT AT LEAST SOME OF THE CROSSOVERS OF WORD AND DIGIT CONDUCTORS, DIGIT DRIVERS AND A DIFFERENTIAL SENSE AMPLIFIER COUPLED TO EACH DIGIT CONDUCTOR PAIR, AND
References Cited (Backward Citations)
US3305846A
Cited
US3319233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |