US2948816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state image intensifier
Assignee: US Philips Corp
•
Filing: 1957-04-12
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Granted: 1960-08-09
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Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Johannes Gerrit Van Santen
- 👤 Diemer Gesinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:26
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10; H04; H04N; H04N3/00; H04N3/10; H04N3/12; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |