US2844458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of introducing titanium into molten metals and composition for such process
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1958-07-22
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Iii John H Hillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119643A
Cited
US2036576A
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US2082783A
Cited
US2135189A
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US2185081A
Cited
US2337314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |