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Patent US2937314A successfully refreshed from Google Patents.
US2937314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High resolution cathode ray tube apparatus
Assignee: CBS Broadcasting Inc
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Filing: 1959-12-28
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Granted: 1960-05-17
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Norman F Fyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:00
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1870975A
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US2111942A
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US2151992A
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US2194547A
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US2480462A
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US2483457A
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US2516704A
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US2565533A
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US2810091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |