US3260876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image intensifier secondary emissive matrix internally coated to form a converging lens
Assignee: US Philips Corp
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Filing: 1964-04-15
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Granted: 1966-07-12
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Manley Brian William
- 👤 Adams John
- 👤 Washington Derek
- 👤 Brannen Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/24; H01J29/00; H01J29/02; H01J29/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |