Patent US2790898A successfully refreshed from Google Patents.
US2790898A
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Weak signal detector using synchronously switched rectifier bridge
Assignee: Individual
•
Filing: 1953-05-04
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Granted: 1957-04-30
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Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Bady Isidore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1447793A
Cited
US1929216A
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US2258128A
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US2453078A
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US2471418A
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US2481562A
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US2585532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |