US3403279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray converter having terbium activated lanthanum compound phosphor
Assignee: US Philips Corp
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Filing: 1966-09-02
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Granted: 1968-09-24
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Willem Lambertus Wanmaker
- 👤 Johannus Godefridu Verlijsdonk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:40
CPC Classifications
G; G21; G21K; G21K4/00; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7766; C09K11/7767; C09K11/7769; C09K11/7777; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/20
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |