US3519848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory sense amplifier circuit
Assignee: Westinghouse Electric Corp
•
Filing: 1966-03-16
•
Granted: 1970-07-07
•
Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Leonard C Vercellotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2996627A
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US3243705A
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US3114057A
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US3215854A
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US3305729A
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US3304512A
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US3328599A
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US3392346A
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US3389340A
Cited
US3330972A
Cited
US3386041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |