US3129395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse group generator producing time spaced output pulses in dependence on spatial distribution of magnetic transducers along delay line
Assignee: AT&T Inc
•
Filing: 1959-11-13
•
Granted: 1964-04-14
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Warren P Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
G; G11; G11C; G11C8/00; G11C8/005; H; H03; H03H; H03H9/00; H03H9/30; H03K; H03K3/00; H03K3/78; H03K5/00; H03K5/13; H03K5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2495740A
Cited
US2549578A
Cited
US2815490A
Cited
US2736881A
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US2790160A
Cited
US2612603A
Cited
US2914757A
Cited
GB758647A
Cited
US2828470A
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US2854593A
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US2906971A
Cited
US3016524A
Cited
US2863120A
Cited
US2926217A
Cited
US2946968A
Cited
US3027468A
Cited
US3078426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |