Patent US2544277A successfully refreshed from Google Patents.
US2544277A
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Preparation of uranium nitride
Assignee: Individual
•
Filing: 1945-06-12
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Granted: 1951-03-06
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Expires: 1965-06-12
Abstract
No abstract record available.
Inventors
- 👤 Amos S Newton
- 👤 Johnson Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:42
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/06; C01B21/0615; C01B21/063; C01P; C01P2002/00; C01P2002/70; C01P2002/77; C01P2006/00; C01P2006/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS OF OBTAINING A URANIUM NITRIDE WHICH COMPRISES REACTING A MEMBER OF THE GROUP CONSISTING OF AMMONIA AND NITROGEN WITH URANIUM HYDRIDE AT A TEMPERATURE OF BETWEEN 200* C. AND 400* C. AND THEREAFTER CALCINING THE URANIUM NITRIDE THUS OBTAINED AT A TEMPERATURE SUBSTANTIALLY ABOVE 400* C. TO SECURE A URANIUM NITRIDE HAVING A LOWER NITROGEN CONTENT THAN THE URANIUM NITRIDE ORIGINALLY PRODUCED.
Claim 2
Dependent Claim
64 words
A PROCESS OF OBTAINING A URANIUM NITRIDE WHICH COMPRISES REACTING A MEMBER OF THE GROUP CONSISTING OF AMMONIA AND NITROGEN WITH URANIUM HYDRIDE AT A TEMPERATURE OF BETWEEN 200* C. AND 400* C. AND THEREAFTER CALCINING THE URANIUM NITRIDE THUS OBTAINED AT A TEMPERATURE SUBSTANTIALLY ABOVE 400* C. TO SECURE A URANIUM NITRIDE HAVING A LOWER NITROGEN CONTENT THAN THE URANIUM NITRIDE ORIGINALLY PRODUCED.
References Cited (Backward Citations)
US1835024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |