Patent US1515001A successfully refreshed from Google Patents.
US1515001A
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Process for obtaining lithium salts or metallic lithium
Assignee: American Lurgi Corp
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Filing: 1923-04-19
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Granted: 1924-11-11
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Expires: 1943-04-19
Abstract
No abstract record available.
Inventors
- 👤 Girsewald Conway Von
- 👤 Weidmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/02; C22; C22B; C22B26/00; C22B26/10; C22B26/12
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) | 1927-11-11 | 1928-05-12 | 1928-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-11 | 1932-05-12 | 1932-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-11 | 1936-05-12 | 1936-11-11 | $7700.00 | Window Closed / Lapsed |