US2984790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic storage system
Assignee: Telefunken AG
•
Filing: 1958-12-18
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Granted: 1961-05-16
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Expires: 1978-12-18
Abstract
No abstract record available.
Inventors
- 👤 Mallebrein Rainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66; H04B1/662; G; G01; G01S; G01S7/00; G01S7/003; G01S7/02; G01S7/28; G01S7/2806; G11; G11C; G11C11/00; G11C11/21; G11C11/23; H04J; H04J3/00; H04J3/18; H04N; H04N7/00; H04N7/12; H04N7/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2807005A
Cited
US2547638A
Cited
US2745985A
Cited
US2850667A
Cited
US2770747A
Cited
US2802138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |