Patent US887834A successfully refreshed from Google Patents.
US887834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover-retaining mechanism for hoppers of seeders or grain-drills.
Assignee: Individual
•
Filing: 1906-09-04
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Granted: 1908-05-19
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Expires: 1926-09-04
Abstract
No abstract record available.
Inventors
- 👤 Nicholas R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:32
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/32; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/1041; E05F1/1066; E05F1/1075; Y; Y10; Y10S; Y10S292/00; Y10S292/49
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) | 1911-05-19 | 1911-11-18 | 1912-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-05-19 | 1915-11-18 | 1916-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-05-19 | 1919-11-18 | 1920-05-19 | $7700.00 | Window Closed / Lapsed |