Patent US4045515A successfully refreshed from Google Patents.
Patent US2984759A successfully refreshed from Google Patents.
US2984759A
Expired / Lapsed
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Photoconductive pick-up tube and method of manufacture
Assignee: RCA Corp
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Filing: 1957-03-25
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Granted: 1961-05-16
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Vine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:11
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/34; H01J31/38; H01J9/00; H01J9/24; H01J9/26; H01J9/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218254A
Cited
US2436675A
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US2654852A
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US2776472A
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US2809315A
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US2770746A
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US2876596A
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US2800710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |