Patent US2646548A successfully refreshed from Google Patents.
US2646548A
Expired / Lapsed
US
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Electron tube coder device
Assignee: Alsacienne de Constructions Mecaniques SA
•
Filing: 1949-07-09
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Granted: 1953-07-21
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Expires: 1969-07-09
Abstract
No abstract record available.
Inventors
- 👤 Ville Jean Andre
- 👤 Pages Andre Paul
- 👤 Herreng Pierre Alphonse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757345A
Cited
US2189898A
Cited
US2144337A
Cited
US2441296A
Cited
US2438908A
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US2451044A
Cited
US2437707A
Cited
US2473091A
Cited
US2463535A
Cited
US2453461A
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US2458652A
Cited
US2489883A
Cited
US2537843A
Cited
US2496633A
Cited
US2485821A
Cited
US2505029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |