Patent US371778A successfully refreshed from Google Patents.
US371778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doug-all
Assignee: —
•
Filing: —
•
Granted: 1887-10-18
•
Expires: 1904-10-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:17
CPC Classifications
B; B23; B23D; B23D73/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1890-10-17 | 1891-04-18 | 1891-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-10-17 | 1895-04-18 | 1895-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-10-17 | 1899-04-18 | 1899-10-18 | $7700.00 | Window Closed / Lapsed |