US68725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Andrew j
Assignee: —
•
Filing: —
•
Granted: 1867-09-10
•
Expires: 1884-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
F; F42; F42B; F42B33/00; F42B33/14
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) | 1870-09-09 | 1871-03-11 | 1871-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-09-09 | 1875-03-11 | 1875-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-09-09 | 1879-03-11 | 1879-09-10 | $7700.00 | Window Closed / Lapsed |