US2899054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory dde for extruding uranium
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:04
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/02; B21C25/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A DIE FOR EXTRUSION OF METALS, SAID DIE BEING FORMED OF A REFRACTORY COMPLEX OXIDE HAVING THE COMPOSITION MNOMRIOY WHERE M IS A DIVALENT METAL OF THE GROUP CONSISTING OF MAGNESIUM, ZINC, MANGANESE AND IRON, R IS A MEMBER OF THE GROUP CONSISTING OF ALUMINUM, CHROMIC CHROMIUM, FERRIC IRON, AND MANGANESE, AND M, N, X AND Y ARE WHOLE NUMBERS.
Claim 2
Dependent Claim
60 words
A DIE FOR EXTRUSION OF METALS, SAID DIE BEING FORMED OF A REFRACTORY COMPLEX OXIDE HAVING THE COMPOSITION MNOMRIOY WHERE M IS A DIVALENT METAL OF THE GROUP CONSISTING OF MAGNESIUM, ZINC, MANGANESE AND IRON, R IS A MEMBER OF THE GROUP CONSISTING OF ALUMINUM, CHROMIC CHROMIUM, FERRIC IRON, AND MANGANESE, AND M, N, X AND Y ARE WHOLE NUMBERS.
References Cited (Backward Citations)
US1082933A
Cited
US1840472A
Cited
US1827446A
Cited
US2219442A
Cited
US2164750A
Cited
US2150734A
Cited
US2331232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |