Patent US204246A successfully refreshed from Google Patents.
US204246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in fence-posts
Assignee: —
•
Filing: —
•
Granted: 1878-05-28
•
Expires: 1895-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/801; 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) | 1881-05-27 | 1881-11-26 | 1882-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-05-27 | 1885-11-26 | 1886-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-05-27 | 1889-11-26 | 1890-05-28 | $7700.00 | Window Closed / Lapsed |