US231637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for harrow-frames
Assignee: —
•
Filing: —
•
Granted: 1880-08-24
•
Expires: 1897-08-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:14
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/02; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/443; Y10T403/71; Y10T403/7171; Y10T403/7194
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) | 1883-08-24 | 1884-02-23 | 1884-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-08-24 | 1888-02-23 | 1888-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-08-24 | 1892-02-23 | 1892-08-24 | $7700.00 | Window Closed / Lapsed |