Patent US2596508A successfully refreshed from Google Patents.
US2596508A
Expired / Lapsed
US
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Electron gun for cathode-ray tubes
Assignee: Rauland Borg Corp
•
Filing: 1950-04-19
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Granted: 1952-05-13
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Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Willis E Phillips
- 👤 Constantin S Szegho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:04
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/84; H01J29/845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942572A
Cited
US2181850A
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US2211613A
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US2274586A
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US2472766A
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US2460609A
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US2456474A
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US2496127A
Cited
US2499065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |