Patent US398111A successfully refreshed from Google Patents.
US398111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
And frank
Assignee: —
•
Filing: —
•
Granted: 1889-02-19
•
Expires: 1906-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7837; Y10T137/7854; Y10T137/7866; Y10T137/7869; Y10T137/7871; Y10T137/7873
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) | 1892-02-19 | 1892-08-20 | 1893-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-02-19 | 1896-08-20 | 1897-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-02-19 | 1900-08-21 | 1901-02-20 | $7700.00 | Window Closed / Lapsed |