US2411524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of zirconium hydride
Assignee: MCTAL HYDRIDES Inc
•
Filing: 1943-10-04
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Granted: 1946-11-26
•
Expires: 1963-10-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis W Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:58
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/02; C22; C22B; C22B34/00; C22B34/10; C22B34/14
Claims Analysis
Total Claims: 0
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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) | 1949-11-25 | 1950-05-27 | 1950-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-25 | 1954-05-27 | 1954-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-25 | 1958-05-27 | 1958-11-26 | $7700.00 | Window Closed / Lapsed |