US3472960A
Expired / Lapsed
US
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Synchronizing system having locally generated signals and psk information signals
Assignee: TDK Micronas GmbH
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Filing: 1966-11-30
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Granted: 1969-10-14
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Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frank S Gutleber
- 👤 Irving A Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/18; H04L27/22; H04L27/227; H04L27/2271; H04L27/2273; H04L7/00; H04L27/0014; H04L2027/0024; H04L2027/0026; H04L2027/0028; H04L2027/0044; H04L2027/0046; H04L2027/0048; H04L2027/0071; H04L2027/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |