US3026416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive devices
Assignee: RCA Corp
•
Filing: 1957-07-23
•
Granted: 1962-03-20
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Paul K Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:32
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/43; H01J29/45; H04; H04N; H04N23/00; H04N23/10; H04N23/12; H04N25/00; H04N25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2134851A
Cited
US2482980A
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US2777970A
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US2749501A
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US2706792A
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US2706791A
Cited
US2818548A
Cited
US2927501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |