US3104226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short luminescence delay time phosphors
Assignee: RCA Corp
•
Filing: 1961-05-29
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Granted: 1963-09-17
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles W Struck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/185; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7766; C09K11/7777
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PHOSPHOR CONSISTING ESSENTIALLY OF A CERIUM-ACTIVATED ORTHOPOSPHATE OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF LANTHANUM, YTTRIUM, AND LUTETIUM, SAID CERIUM BEING PRESENT IN PROPORTIONS BETWEEN 0.0001 AND 0.1 MOL PER MOL OF SAID MEMBER.
Claim 2
Dependent Claim
38 words
A PHOSPHOR CONSISTING ESSENTIALLY OF A CERIUM-ACTIVATED ORTHOPOSPHATE OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF LANTHANUM, YTTRIUM, AND LUTETIUM, SAID CERIUM BEING PRESENT IN PROPORTIONS BETWEEN 0.0001 AND 0.1 MOL PER MOL OF SAID MEMBER.
References Cited (Backward Citations)
GB512154A
Cited
US2467689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |