US2816042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory article and process of manufacturing same
Assignee: Individual
•
Filing: 1947-06-27
•
Granted: 1957-12-10
•
Expires: 1967-06-27
Abstract
No abstract record available.
Inventors
- 👤 Noble E Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:30
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/51; C04B35/01; C04B35/08; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
A REFRACTORY ARTICLE OF MANUFACTURE COMPRISING A REFACTORY COMPOSITION OF A URANIUM OXIDE SELECTED FROM THE GROUP OF UO2 AND U3O3 AND AT LEAST ONE REFRACTORY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM OXIDE, MAGNESIUM OXIDE, ALUMINUM OXIDE, CALCIUM OXIDE, TANTALUM OXIDE, THORIUM OXIDE, AND TITANIUM OXIDE.
Claim 2
Dependent Claim
49 words
A REFRACTORY ARTICLE OF MANUFACTURE COMPRISING A REFACTORY COMPOSITION OF A URANIUM OXIDE SELECTED FROM THE GROUP OF UO2 AND U3O3 AND AT LEAST ONE REFRACTORY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM OXIDE, MAGNESIUM OXIDE, ALUMINUM OXIDE, CALCIUM OXIDE, TANTALUM OXIDE, THORIUM OXIDE, AND TITANIUM OXIDE.
Claim 3
Dependent Claim
24 words
A SINTERED ARTICLE OF MANUFACTURE COMPRISING A REFRACTORY COMPOSITION OF ABOUT 90 PERCENT BY WEIGHT URANIUM DIOXIDE AND 10 PERCENT BY WEIGHT BERYLLIUM OXIDE.
Claim 4
Dependent Claim
24 words
A SINTERED ARTICLE OF MANUFACTURE COMPRISING A REFRACTORY COMPOSITION OF ABOUT 90 PERCENT BY WEIGHT URANIUM DIOXIDE AND 10 PERCENT BY WEIGHT BERYLLIUM OXIDE.
References Cited (Backward Citations)
US2434236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |