US3150099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitreous materials and their application to nuclear reactors
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1959-12-28
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Granted: 1964-09-22
•
Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Andre H Pons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:52
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C3/00; C03C3/04; C03C3/062; G; G21; G21C; G21C3/00; G21C3/42; G21C3/44; G21C3/46; G21C3/50; G21C3/58; G21C3/62; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/284; C03C2217/286; C03C2218/00; C03C2218/10; C03C2218/11; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S501/00; Y10S501/90; Y10S501/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
GLASS CONSISTING IN ITS ESSENTIAL CONSTITUENTS, AND HAVING PROPORTIONS BY WEIGHT, OF 25 TO 35% SILICA; 10 TO 25% OF TIO2 PLUS ZRO2 OF WHICH 5 TO 10% IS ZRO2; 20 TO 40% OF THE GROUP CONSISTING OF THE ALKALINE EARTH OXIDES, ZNO, MGO AND BEO OF WHICH 8 TO 38% IS ALKALINE EARTH OXIDE, 0 TO 15% IS ZNO, 2 TO 5% IS MGO, AND 0 TO 5% IS BEO; AND 20 TO 45% OF A GROUP CONSISTING OF UO2 AND THO2.
Claim 2
Dependent Claim
83 words
GLASS CONSISTING IN ITS ESSENTIAL CONSTITUENTS, AND HAVING PROPORTIONS BY WEIGHT, OF 25 TO 35% SILICA; 10 TO 25% OF TIO2 PLUS ZRO2 OF WHICH 5 TO 10% IS ZRO2; 20 TO 40% OF THE GROUP CONSISTING OF THE ALKALINE EARTH OXIDES, ZNO, MGO AND BEO OF WHICH 8 TO 38% IS ALKALINE EARTH OXIDE, 0 TO 15% IS ZNO, 2 TO 5% IS MGO, AND 0 TO 5% IS BEO; AND 20 TO 45% OF A GROUP CONSISTING OF UO2 AND THO2.
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |