Patent US232580A successfully refreshed from Google Patents.
US232580A
Expired / Lapsed
US
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Thill-coupling
Assignee: —
•
Filing: —
•
Granted: 1880-09-21
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Expires: 1897-09-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
B; B62; B62C; B62C5/00; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/96; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17846
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) | 1883-09-21 | 1884-03-22 | 1884-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-09-21 | 1888-03-22 | 1888-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-09-21 | 1892-03-22 | 1892-09-21 | $7700.00 | Window Closed / Lapsed |