Patent US812379A successfully refreshed from Google Patents.
US812379A
Expired / Lapsed
US
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Device for recovering articles from deep wells.
Assignee: Individual
•
Filing: 1905-10-10
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Granted: 1906-02-13
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Expires: 1925-10-10
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stubler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/12; E21B31/125; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/904; Y10T408/9046; Y10T408/90473
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) | 1909-02-12 | 1909-08-14 | 1910-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-12 | 1913-08-14 | 1914-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-12 | 1917-08-14 | 1918-02-13 | $7700.00 | Window Closed / Lapsed |