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US203048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in cultivators
Assignee: —
•
Filing: —
•
Granted: 1878-04-30
•
Expires: 1895-04-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:27
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/02; A01B35/04; A01B35/06
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) | 1881-04-29 | 1881-10-29 | 1882-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-04-29 | 1885-10-29 | 1886-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-04-29 | 1889-10-29 | 1890-04-30 | $7700.00 | Window Closed / Lapsed |