US2777756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing titanium tetrachloride and arrangement thereof
Assignee: Furukawa Electric Co Ltd
•
Filing: 1954-03-02
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Granted: 1957-01-15
•
Expires: 1974-03-02
Abstract
No abstract record available.
Inventors
- 👤 Anazawa Kenji
- 👤 Tsuruta Enchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:51
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1184576A
Cited
US1263906A
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US2184885A
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US2253471A
Cited
US2675891A
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US2681943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |