US105599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in concrete pavements
Assignee: —
•
Filing: —
•
Granted: 1870-07-19
•
Expires: 1887-07-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/12; E01C11/126; E04; E04F; E04F15/00; E04F15/12; E04F15/14
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) | 1873-07-18 | 1874-01-17 | 1874-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-07-18 | 1878-01-17 | 1878-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-07-18 | 1882-01-17 | 1882-07-19 | $7700.00 | Window Closed / Lapsed |