US3069625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reception system of high sensitivity for frequency-or phase-modulated wave
Assignee: NEC Corp
•
Filing: 1959-03-12
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Granted: 1962-12-18
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Expires: 1979-03-12
Abstract
No abstract record available.
Inventors
- 👤 Morita Masasuke
- 👤 Ito Sukehiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:28
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/24; H03D3/241; H03D3/244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2075503A
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US2332540A
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US2494795A
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US2678386A
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US2930892A
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US2871349A
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US2911528A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |