US3109819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of halophosphate phosphor
Assignee: General Electric Co
•
Filing: 1961-06-20
•
Granted: 1963-11-05
•
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
2026-11-02 06:22
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.
References Cited (Backward Citations)
US2488733A
Cited
US2579900A
Cited
US2544663A
Cited
US2755254A
Cited
US2592261A
Cited
US2904516A
Cited
US2976249A
Cited
US2965786A
Cited
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 |