Patent US394262A successfully refreshed from Google Patents.
US394262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gentzen
Assignee: —
•
Filing: 1888-10-01
•
Granted: 1888-12-11
•
Expires: 1908-10-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/324
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) | 1891-12-11 | 1892-06-11 | 1892-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-12-11 | 1896-06-11 | 1896-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-12-11 | 1900-06-12 | 1900-12-12 | $7700.00 | Window Closed / Lapsed |