Patent US1354940A successfully refreshed from Google Patents.
US1354940A
Expired / Lapsed
US
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Method of treating titanium solutions
Assignee: Individual
•
Filing: 1918-06-03
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Granted: 1920-10-05
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Expires: 1938-06-03
Abstract
No abstract record available.
Inventors
- 👤 Frank E Bachman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:00
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/0475; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1236; C22B34/1259
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) | 1923-10-05 | 1924-04-05 | 1924-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-05 | 1928-04-05 | 1928-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-05 | 1932-04-05 | 1932-10-05 | $7700.00 | Window Closed / Lapsed |