Patent US2992346A successfully refreshed from Google Patents.
US2992346A
Expired / Lapsed
US
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Light translating device
Assignee: TDK Micronas GmbH
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Filing: 1954-03-03
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Granted: 1961-07-11
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Philo T Farnsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:20
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254617A
Cited
US2322361A
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US2639425A
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US2532339A
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US2462569A
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US2611820A
Cited
US2739244A
Cited
US2765422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |