US689799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore-leaching apparatus.
Assignee: Individual
•
Filing: 1901-04-25
•
Granted: 1901-12-24
•
Expires: 1921-04-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0076; F02M37/0088; F17; F17C; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/8593; Y10T137/85954; Y10T137/8807
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1904-12-23 | 1905-06-24 | 1905-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-23 | 1909-06-24 | 1909-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-23 | 1913-06-24 | 1913-12-24 | $7700.00 | Window Closed / Lapsed |