Patent US52594A successfully refreshed from Google Patents.
US52594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved mode of securing pipes and bolts in oil-wells
Assignee: —
•
Filing: —
•
Granted: 1866-02-13
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Expires: 1883-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:57
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/10; Y; Y10; Y10S; Y10S16/00; Y10S16/40; Y10T; Y10T24/00; Y10T24/14; Y10T24/44; Y10T24/44291; Y10T24/44325; Y10T24/44368; Y10T24/4453
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) | 1869-02-12 | 1869-08-14 | 1870-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-02-12 | 1873-08-14 | 1874-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-02-12 | 1877-08-14 | 1878-02-13 | $7700.00 | Window Closed / Lapsed |