US2912592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory device
Assignee: Horizons Inc
•
Filing: 1954-10-07
•
Granted: 1959-11-10
•
Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edward F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J31/00; H01J31/08; H01J31/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2248985A
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US2743430A
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GB713916A
Cited
US2873380A
Cited
US2784389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |