Patent US609422A successfully refreshed from Google Patents.
US609422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edward fackner
Assignee: —
•
Filing: —
•
Granted: 1898-08-23
•
Expires: 1915-08-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:40
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/10; E05C; E05C19/00; E05C19/02; E05C19/04; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/0879; Y10T292/0885; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1031
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) | 1901-08-23 | 1902-02-22 | 1902-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-08-23 | 1906-02-22 | 1906-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-08-23 | 1910-02-22 | 1910-08-24 | $7700.00 | Window Closed / Lapsed |