Patent US173716A successfully refreshed from Google Patents.
US173716A
Expired / Lapsed
US
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Improvement in securing wheels upon shafting
Assignee: —
•
Filing: —
•
Granted: 1876-02-22
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Expires: 1893-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0876; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021
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) | 1879-02-21 | 1879-08-23 | 1880-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-02-21 | 1883-08-23 | 1884-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-02-21 | 1887-08-23 | 1888-02-22 | $7700.00 | Window Closed / Lapsed |