US2452390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of hydrolyzable titanium solutions
Assignee: EIDP Inc
•
Filing: 1944-06-01
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Granted: 1948-10-26
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Expires: 1964-06-01
Abstract
No abstract record available.
Inventors
- 👤 Olson Carl Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:19
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/053; C01G23/0536; C01G23/0538; C01G23/0532; C01G23/0534; C01P; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18854E
Cited
US1851487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |