US3402400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nondestructive readout of cryoelectric memories
Assignee: RCA Corp
•
Filing: 1965-11-22
•
Granted: 1968-09-17
•
Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Andrew R Sass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:09
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/838; Y10S505/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2913881A
Cited
US2946030A
Cited
US3196408A
Cited
US3222544A
Cited
US3275930A
Cited
US3264490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |