US3032674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun structure for cathode ray tube
Assignee: RCA Corp
•
Filing: 1957-10-30
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Granted: 1962-05-01
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Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 James W Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:42
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48; H01J29/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226439A
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US2407297A
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US2318423A
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US2426626A
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GB637375A
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US2441254A
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US2469843A
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US2690517A
Cited
US2852716A
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US2877369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |