US2767084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy for deoxidizing steel
Assignee: Vanadium Corp of America
•
Filing: 1955-09-15
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Granted: 1956-10-16
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Expires: 1975-09-15
Abstract
No abstract record available.
Inventors
- 👤 Henry T Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:12
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |