US3495936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilute phase chlorination of titaniferous ores
Assignee: EIDP Inc
•
Filing: 1967-06-08
•
Granted: 1970-02-17
•
Expires: 1987-06-08
Abstract
No abstract record available.
Inventors
- 👤 Webster N Jones Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; C01; C01G; C01G23/00; C01G23/02; C01G23/022; C01G23/04; C01G23/047; C22B1/00; C22B1/02; C22B1/08; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2868622A
Cited
US2856264A
Cited
US2936217A
Cited
US2855273A
Cited
US3050362A
Cited
US3086843A
Cited
US3228751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |