Patent US3033461A successfully refreshed from Google Patents.
US3033461A
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US
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Signal conversion apparatus for datatelemeter systems and remote control systems
Assignee: Umicore NV SA
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Filing: 1957-06-21
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Granted: 1962-05-08
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Expires: 1977-06-21
Abstract
No abstract record available.
Inventors
- 👤 Philippe Passau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:59
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/042; G; G01; G01D; G01D3/00; G01D3/02; G08; G08C; G08C19/00; H04B1/00; H04B1/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1851090A
Cited
US2638586A
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US2539623A
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US2580148A
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US2718638A
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US2904778A
Cited
US2767914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |