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Patent US1119929A successfully refreshed from Google Patents.
US1119929A
Expired / Lapsed
US
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Process for securing the precipitation of the rare-metal oxids.
Assignee: PRIMOS CHEMICAL Co
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Filing: 1913-02-19
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Granted: 1914-12-08
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Expires: 1933-02-19
Abstract
No abstract record available.
Inventors
- 👤 Royal S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:17
CPC Classifications
C; C01; C01G; C01G31/00
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) | 1917-12-07 | 1918-06-08 | 1918-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-12-07 | 1922-06-08 | 1922-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-12-07 | 1926-06-08 | 1926-12-08 | $7700.00 | Window Closed / Lapsed |