US411886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casing for artesian wells
Assignee: —
•
Filing: 1888-12-14
•
Granted: 1889-10-01
•
Expires: 1908-12-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:02
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B29/00; E21B29/10; E21B33/00; E21B33/10; E21B33/12; E21B33/1208
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) | 1892-09-30 | 1893-04-01 | 1893-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-09-30 | 1897-04-01 | 1897-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-10-01 | 1901-04-02 | 1901-10-02 | $7700.00 | Window Closed / Lapsed |