Patent US3387162A successfully refreshed from Google Patents.
US3387162A
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US
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Photocathode comprising channeled matrix with conductive inserts in channels tipped with photoconductive material
Assignee: US Philips Corp
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Filing: 1964-10-28
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Granted: 1968-06-04
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Schagen Pieter
- 👤 Manley Brian William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:32
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/38; H01J40/00; H01J40/02; H01J40/04; H01J40/06; H01J9/00; H01J9/02; H01J9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381474A
Cited
US1935649A
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US2120765A
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US2195486A
Cited
DE901572C
Cited
US3020433A
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US2945973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |