US69688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John helling
Assignee: —
•
Filing: —
•
Granted: 1867-10-08
•
Expires: 1884-10-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:29
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/083; G06M1/086
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) | 1870-10-07 | 1871-04-08 | 1871-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-10-07 | 1875-04-08 | 1875-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-10-07 | 1879-04-08 | 1879-10-08 | $7700.00 | Window Closed / Lapsed |