US227990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fence-post
Assignee: —
•
Filing: —
•
Granted: 1880-05-25
•
Expires: 1897-05-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:51
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; Y; Y10; Y10S; Y10S256/00; Y10S256/05
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) | 1883-05-25 | 1883-11-24 | 1884-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-05-25 | 1887-11-24 | 1888-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-05-25 | 1891-11-24 | 1892-05-25 | $7700.00 | Window Closed / Lapsed |