Patent US566364A successfully refreshed from Google Patents.
US566364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derrick-frame
Assignee: —
•
Filing: —
•
Granted: 1896-08-25
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Expires: 1913-08-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:16
CPC Classifications
E; E21; E21B; E21B15/00; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/345; Y10T403/346
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) | 1899-08-25 | 1900-02-24 | 1900-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-08-26 | 1904-02-25 | 1904-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-08-26 | 1908-02-25 | 1908-08-26 | $7700.00 | Window Closed / Lapsed |