Patent US3491345A successfully refreshed from Google Patents.
US3491345A
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Cryoelectric memories employing loop cells
Assignee: RCA Corp
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Filing: 1966-10-05
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Granted: 1970-01-20
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Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:17
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10S505/834; Y10S505/837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2989714A
Cited
US3181126A
Cited
GB998792A
Cited
US3355721A
Cited
US3402400A
Cited
US3346829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |