Patent US1524470A successfully refreshed from Google Patents.
US1524470A
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US
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Process for recovering light metals from scrap
Assignee: Chemische Fabrik Griesheim Elektron
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Filing: 1921-08-24
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Granted: 1925-01-27
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Expires: 1941-08-24
Abstract
No abstract record available.
Inventors
- 👤 Beielstein Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:21
CPC Classifications
C; C22; C22B; C22B21/00; C22B21/0084; C22B21/0092; C22B21/06; C22B21/062; C22B7/00; C22B7/001; C22B9/00; C22B9/02; C22B9/10; Y; Y02; Y02P; Y02P10/00; Y02P10/20
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) | 1928-01-27 | 1928-07-28 | 1929-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-27 | 1932-07-28 | 1933-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-27 | 1936-07-28 | 1937-01-27 | $7700.00 | Window Closed / Lapsed |