Patent US3674952A successfully refreshed from Google Patents.
Patent US18735A successfully refreshed from Google Patents.
US18735A
Expired / Lapsed
US
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Improvement in seeding-machines
Assignee: —
•
Filing: —
•
Granted: 1857-12-01
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Expires: 1874-12-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:56
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/16; B; B65; B65D; B65D88/00; B65D88/54; B65D88/64
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) | 1860-11-30 | 1861-06-01 | 1861-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-11-30 | 1865-06-01 | 1865-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-11-30 | 1869-06-01 | 1869-12-01 | $7700.00 | Window Closed / Lapsed |