US2783196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing titanium and zirconium
Assignee: Chicago Dev Corp
•
Filing: 1952-03-19
•
Granted: 1957-02-26
•
Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Ben B Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861625A
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US2205854A
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GB553056A
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CH253055A
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US2413411A
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GB635267A
Cited
US2564337A
Cited
US2550447A
Cited
US2607674A
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US2616784A
Cited
US2707169A
Cited
US2622005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |