US16486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved method of constructing fence-posts
Assignee: —
•
Filing: —
•
Granted: 1857-01-27
•
Expires: 1874-01-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:00
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1447; E04H17/1465; Y; Y10; Y10S; Y10S256/00; Y10S256/02
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) | 1860-01-27 | 1860-07-28 | 1861-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-01-27 | 1864-07-28 | 1865-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-01-27 | 1868-07-28 | 1869-01-27 | $7700.00 | Window Closed / Lapsed |