Patent US2073635A successfully refreshed from Google Patents.
US3399352A
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Phase detector output smoothing network
Assignee: ASTRODATA Inc
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Filing: 1965-03-19
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Granted: 1968-08-27
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Edward K Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:18
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/24; H03D3/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2557319A
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US2994822A
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US3158837A
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US3125691A
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US3152267A
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US3274514A
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US3317756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |