Patent US4081019A successfully refreshed from Google Patents.
Patent US3720752A successfully refreshed from Google Patents.
US3720752A
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Massive metal hydride structures and methods for their preparation
Assignee: HOUTEN R VAN
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Filing: 1967-04-11
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Granted: 1973-03-13
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Expires: 1987-04-11
Abstract
Abstract A MASSIVE METAL HYDRIDE, DEUTERIDE, OR TRITIDE MATRIX STRUCTURE SELECTED FROM AT LEAST ONE METAL CONSISTING OF A GROUP III-B METAL (SC, Y, LA); A GROUP IV-B METAL (ZR, TI, HF); A GROUP V-B METAL (V, NB, TA); A 4F RARE EARTH METAL HAVING AN ATOMIC NUMBER 57-71, INCLUSIVE; 5F RARE EARTH METAL HAVING AN ATOMIC NUMBER 90-100, INCLUSIVE, AND ALLOYS THEREOF, AND A GRAIN GROWTH INHIBITING CONCENTRATION OF AT LEAST ONE ADDITIVE SELECTED FROM CARBON, GRAPHITE, BORON; A CARBIDE, BORIDE, OR HYDRIDE OF THE MATRIX METAL DISPERSED IN THE MATRIX STRUCTURE.
Inventors
- 👤 Houten R Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:37
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; C; C01; C01B; C01B4/00; C01B6/00; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |