Patent US841777A successfully refreshed from Google Patents.
US841777A
Expired / Lapsed
US
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Fence-post.
Assignee: Individual
•
Filing: 1905-10-19
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Granted: 1907-01-22
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Expires: 1925-10-19
Abstract
No abstract record available.
Inventors
- 👤 James W Hamilton
- 👤 William Gwinnup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1447; E04H17/1452; Y; Y10; Y10S; Y10S256/00; Y10S256/04
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) | 1910-01-21 | 1910-07-23 | 1911-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-01-21 | 1914-07-23 | 1915-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-01-21 | 1918-07-23 | 1919-01-22 | $7700.00 | Window Closed / Lapsed |