Patent US433978A successfully refreshed from Google Patents.
US433978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-lever
Assignee: —
•
Filing: —
•
Granted: 1890-08-12
•
Expires: 1907-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/44; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53991; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8802
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) | 1893-08-11 | 1894-02-10 | 1894-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-08-11 | 1898-02-10 | 1898-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-08-12 | 1902-02-11 | 1902-08-13 | $7700.00 | Window Closed / Lapsed |