Patent US3109819A successfully refreshed from Google Patents.
US3109819A
Expired / Lapsed
US
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Preparation of halophosphate phosphor
Assignee: General Electric Co
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Filing: 1961-06-20
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Granted: 1963-11-05
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 George R Gillooly
- 👤 Jacob G Rabatin
- 👤 Thomas C Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:58
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/74; C09K11/75; C09K11/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A FLUORESCENT HALOPHOSPHATE COMPOUND HAVING ESSENTIALLY THE COMPOSITION M10-AP6O24+AX2-ASBA WHEREIN: "A" IS GREATER THAN 0.4 AND LESS THAN 0.10; M IS A DIVALENT METAL OF THE GROUP CONSISTING OF CALCIUM ALONE AND MIXTURES OF CALCIUM WITH AT LEAST ONE OF THE METALS MANGANESE, BARIUM, STRONTIUM, CADMIUM, MAGNESIUM AND ZINC; AND X IS A HALOGEN FROM THE GROUP CONSISTING OF FLUORINE AND CHLORINE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
65 words
A FLUORESCENT HALOPHOSPHATE COMPOUND HAVING ESSENTIALLY THE COMPOSITION M10-AP6O24+AX2-ASBA WHEREIN: "A" IS GREATER THAN 0.4 AND LESS THAN 0.10; M IS A DIVALENT METAL OF THE GROUP CONSISTING OF CALCIUM ALONE AND MIXTURES OF CALCIUM WITH AT LEAST ONE OF THE METALS MANGANESE, BARIUM, STRONTIUM, CADMIUM, MAGNESIUM AND ZINC; AND X IS A HALOGEN FROM THE GROUP CONSISTING OF FLUORINE AND CHLORINE AND MIXTURES THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |