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Patent US2675431A successfully refreshed from Google Patents.
US2675431A
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Transit time compensated multiplier tube
Assignee: National Union Radio Corp
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Filing: 1949-08-18
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Granted: 1954-04-13
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Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Carl F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:50
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164892A
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US2340631A
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US2273546A
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US2272232A
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US2293418A
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US2537923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |