US61581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
-taylor
Assignee: —
•
Filing: —
•
Granted: 1867-01-29
•
Expires: 1884-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:54
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
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) | 1870-01-28 | 1870-07-30 | 1871-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-01-28 | 1874-07-30 | 1875-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-01-28 | 1878-07-30 | 1879-01-29 | $7700.00 | Window Closed / Lapsed |