US3550094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor data storage apparatus with electron beam readout
Assignee: General Electric Co
•
Filing: 1968-04-01
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Granted: 1970-12-22
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Expires: 1988-04-01
Abstract
No abstract record available.
Inventors
- 👤 James F Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:34
CPC Classifications
H; H10; H10D; H10D99/00; G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/44; H10F; H10F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2589704A
Cited
US2786880A
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US2981891A
Cited
US3015738A
Cited
US3389382A
Cited
US3445715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |