US1334004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the treating of titaniferous iron ore
Assignee: Ind & Mijnbouw Mij Titan
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Filing: 1918-03-25
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Granted: 1920-03-16
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Expires: 1938-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jacobus Jan Willem Hendrik Too
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-03-16 | 1923-09-15 | 1924-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-16 | 1927-09-15 | 1928-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-16 | 1931-09-15 | 1932-03-16 | $7700.00 | Window Closed / Lapsed |