US66018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caelos-h
Assignee: —
•
Filing: —
•
Granted: 1867-06-25
•
Expires: 1884-06-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/042; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7407; Y10T137/7413
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) | 1870-06-24 | 1870-12-24 | 1871-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-06-24 | 1874-12-24 | 1875-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-06-24 | 1878-12-24 | 1879-06-25 | $7700.00 | Window Closed / Lapsed |