US3018169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making delta zirconium hydride monolithic moderator pieces
Assignee: Individual
•
Filing: 1959-01-07
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Granted: 1962-01-23
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 James B Vetrano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:37
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/02; G; G21; G21C; G21C5/00; G21C5/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/904
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A METHOD OF PREPARING LARGE, SOUND SHAPED BODIES OF DELTA ZIRCONIUM HYDRIDE COMPRISING HEATING A ZIRCONIUM BODY OF THE DESIRED SHAPE AND SIZE TO A TEMPERATURE OF NOT LESS THAN 1000* C., PROVIDING AN ATMOSPHERE CONSISTING OF HYDROGEN AROUND THE ZIRCONIUM BODIES AT A PRESSURE NOT GREATER THAN ONE ATMOSPHERE TO FORM BETA ZIRCONIUM HYDRIDE, REDUCING THE TEMPERATURE SLOWLY TO 800* C. AT A RATE INVERSELY RELATED TO THE SIZE OF THE BODY
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |