Patent US351550A successfully refreshed from Google Patents.
US351550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
elger
Assignee: —
•
Filing: —
•
Granted: 1886-10-26
•
Expires: 1903-10-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:49
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/16; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T82/00; Y10T82/26; Y10T82/262
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) | 1889-10-25 | 1890-04-26 | 1890-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-10-25 | 1894-04-26 | 1894-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-10-25 | 1898-04-26 | 1898-10-26 | $7700.00 | Window Closed / Lapsed |