US2901410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-refining titanium
Assignee: Chicago Dev Corp
•
Filing: 1956-08-02
•
Granted: 1959-08-25
•
Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 Reginald S Dean
- 👤 William W Gullett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:02
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/26; C25C3/28; C25C7/00; C25C7/02; C25C7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734856A
Cited
US1772302A
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US1842296A
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US2148345A
Cited
US2781304A
Cited
US2748073A
Cited
US2760930A
Cited
US2765270A
Cited
US2817631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |