US2925542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflection and dynamic convergence system for multi-beam cathode ray tubes
Assignee: General Electric Co
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Filing: 1957-05-31
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Granted: 1960-02-16
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gethmann Richard Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/764; H01J29/701; H01J29/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2333806A
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US2240606A
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US2236498A
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US2414925A
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US2578342A
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US2562395A
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US2821671A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |