US312400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction-clutch
Assignee: —
•
Filing: —
•
Granted: 1885-02-17
•
Expires: 1902-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/24; F16D13/26; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/3976; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17188; Y10T279/17196
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1888-02-17 | 1888-08-18 | 1889-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-02-17 | 1892-08-18 | 1893-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-02-17 | 1896-08-18 | 1897-02-17 | $7700.00 | Window Closed / Lapsed |