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US174363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in friction-clutches
Assignee: —
•
Filing: —
•
Granted: 1876-03-07
•
Expires: 1893-03-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:44
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/14; F16D13/16
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) | 1879-03-07 | 1879-09-06 | 1880-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-03-07 | 1883-09-06 | 1884-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-03-07 | 1887-09-06 | 1888-03-07 | $7700.00 | Window Closed / Lapsed |