US184234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in seed-drills
Assignee: —
•
Filing: —
•
Granted: 1876-11-14
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Expires: 1893-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:50
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/4809; B65G65/4836
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) | 1879-11-14 | 1880-05-15 | 1880-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-11-14 | 1884-05-15 | 1884-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-11-14 | 1888-05-15 | 1888-11-14 | $7700.00 | Window Closed / Lapsed |