US3049432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crucible and refractory material therefor
Assignee: Individual
•
Filing: 1959-03-04
•
Granted: 1962-08-14
•
Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Berthold C Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:30
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE COMPOSITION OF MATTER THAT CONSISTS OF ZIRCONIA THAT HAS A DEFECT LATTICE STRUCTURE DUE TO AN OXYGEN DEFICIENCY AND WHICH ZIRCONIA IS FULLY SATURATED WITH THE ADDITION OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, TITANIUM, HAFNIUM, THORIUM AND CHROMIUM AND SAID METAL BEING IN SUBSTANTIONAL SOLID SOLUTION IN SAID ZIRCONIA.
Claim 2
Dependent Claim
54 words
THE COMPOSITION OF MATTER THAT CONSISTS OF ZIRCONIA THAT HAS A DEFECT LATTICE STRUCTURE DUE TO AN OXYGEN DEFICIENCY AND WHICH ZIRCONIA IS FULLY SATURATED WITH THE ADDITION OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, TITANIUM, HAFNIUM, THORIUM AND CHROMIUM AND SAID METAL BEING IN SUBSTANTIONAL SOLID SOLUTION IN SAID ZIRCONIA.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |