US735960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-extracting and ore-lixiviating apparatus.
Assignee: ORE REDUCTION AND SMELTING Co
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Filing: 1902-10-10
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Granted: 1903-08-11
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Expires: 1922-10-10
Abstract
No abstract record available.
Inventors
- 👤 George S Foster
- 👤 Stephen A D Stringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:38
CPC Classifications
C; C22; C22B; C22B3/00; C22B3/02
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) | 1906-08-10 | 1907-02-09 | 1907-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-10 | 1911-02-09 | 1911-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-10 | 1915-02-09 | 1915-08-11 | $7700.00 | Window Closed / Lapsed |