US3373116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive fluophosphate glass composition
Assignee: Westinghouse Electric Corp
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Filing: 1965-03-15
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Granted: 1968-03-12
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Sun Kuan-Han
- 👤 Shan Yueh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:25
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/23; C03C3/247; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A STABLE FLUOPHOSPHATE GLASS MELTING ABOVE ABOUT 800*C. CONSISTING ESSENTIALLY OF BY WEIGHT FROM 34 TO 75% OF AT LEAST ONE PHOSPHATE OF A METAL OF THE GROUP CONSISTING OF ALUMINUM AND BERYLLIUM; 15 TO 43% OF AT LEAST ONE FLUORIDE OR OXIDE SELECTED FROM THE GROUP CONSISTING OF A UNIVALENT METAL FLUORIDE, A BIVALENT METAL OXIDE, AND BORON OXIDE; AND 2 TO 46% OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF URANIUM OXIDE, URANIUM FLUORIDE, PLUTONIUM OXIDE, PLUTONIUM FLUORIDE, THORIUM OXIDE AND THORIUM FLUORIDE, WITH THE PROVISO
Claim 2
Dependent Claim
91 words
A STABLE FLUOPHOSPHATE GLASS MELTING ABOVE ABOUT 800*C. CONSISTING ESSENTIALLY OF BY WEIGHT FROM 34 TO 75% OF AT LEAST ONE PHOSPHATE OF A METAL OF THE GROUP CONSISTING OF ALUMINUM AND BERYLLIUM; 15 TO 43% OF AT LEAST ONE FLUORIDE OR OXIDE SELECTED FROM THE GROUP CONSISTING OF A UNIVALENT METAL FLUORIDE, A BIVALENT METAL OXIDE, AND BORON OXIDE; AND 2 TO 46% OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF URANIUM OXIDE, URANIUM FLUORIDE, PLUTONIUM OXIDE, PLUTONIUM FLUORIDE, THORIUM OXIDE AND THORIUM FLUORIDE, WITH THE PROVISO
References Cited (Backward Citations)
US3063923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |