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Patent US3338841A successfully refreshed from Google Patents.
US3338841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminescent molybdate and tungstate compositions
Assignee: EIDP Inc
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Filing: 1964-05-14
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Granted: 1967-08-29
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Lothar H Brixner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:25
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7708
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A SINGLE-PHASE, SOLID-SOLUTION, LUMINESCENT COMPOSITION OF THE FORMULA NDXNBXCA1-XMO1-XO4, WHERE X HAS A VALUE BETWEEN 0.002 AND 0.65.
Claim 2
Dependent Claim
18 words
A SINGLE-PHASE, SOLID-SOLUTION, LUMINESCENT COMPOSITION OF THE FORMULA NDXNBXCA1-XMO1-XO4, WHERE X HAS A VALUE BETWEEN 0.002 AND 0.65.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |